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NAME
       latexmk - generate LaTeX document

SYNOPSIS
       latexmk [options] [file ...]

DESCRIPTION
       Latexmk completely automates the process of compiling a LaTeX document.
       Essentially, it is like a specialized  relative  of  the  general  make
       utility,  but  one  which determines dependencies automatically and has
       some other very useful  features.   In  its  basic  mode  of  operation
       latexmk  is  given  the name of the primary source file for a document,
       and it issues the appropriate sequence of commands to generate a  .dvi,
       .ps, .pdf and/or hardcopy version of the document.

       By  default  latexmk will run the commands necessary to generate a .dvi
       file.

       Latexmk can also be set to run continuously with a suitable  previewer.
       In  that  case  the  LaTeX  program, etc, are rerun whenever one of the
       source files is modified, and the previewer automatically  updates  the
       on-screen view of the compiled document.

       Latexmk  determines  which  are  the  source files by examining the log
       file.  When latexmk is run, it examines properties of the source files,
       and  if  any  have  been  changed  since  the last document generation,
       latexmk will run the various LaTeX processing  programs  as  necessary.
       In  particular,  it  will  repeat  the run of LaTeX (or pdflatex) often
       enough to resolve all cross references; depending on the macro packages
       used.   With  some  macro  packages and document classes, four, or even
       more, runs may be needed. If necessary, latexmk will  also  run  bibtex
       and/or  makeindex.   In addition, latexmk can be configured to generate
       other necessary files.  For example, from an updated figure file it can
       automatically  generate  a  file  in encapsulated postscript or another
       suitable format for reading by LaTeX.

       Latexmk has two  different  previewing  options.   In  the  simple  -pv
       option,  a  dvi, postscript or pdf previewer is automatically run after
       generating the dvi, postscript or pdf version  of  the  document.   The
       type  of  file  to view is selected according to configuration settings
       and command line options.

       The second previewing option is the  powerful  -pvc  option  (mnemonic:
       "preview continuously").  In this case, latexmk runs continuously, reg-
       ularly monitoring all the source files to  see  if  any  have  changed.
       Every  time  a change is detected, latexmk runs all the programs neces-
       sary to generate a new version of the document.  A good previewer (like
       gv) will then automatically update its display.  Thus the user can sim-
       ply edit a file and, when the changes are written to disk, latexmk com-
       pletely  automates the cycle of updating the .dvi (and possibly the .ps
       and .pdf) file, and refreshing the previewer's display.  It's not quite
       WYSIWYG, but usefully close.

       For  other previewers, the user may have to manually make the previewer
       update its display, which can be (some versions of xdvi and gsview)  as
       simple as forcing a redraw of its display.

       Latexmk  has  the  ability  to print a banner in gray diagonally across
       each page when making the postscript file.  It  can  also,  if  needed,



                                                                             1





LATEXMK(1L)                                                        LATEXMK(1L)


       call  an  external  program to do other postprocessing on the generated
       files.

       Latexmk is highly configurable, both from the command line and in  con-
       figuration  files,  so  that  it can accommodate a wide variety of user
       needs and system configurations.  Default values are set  according  to
       the operating system, so latexmk often works without special configura-
       tion on  MS-Windows,  cygwin,  Linux,  OS-X,  and  other  UNIX  systems
       (notably Solaris).

       A  very annoying complication handled very reliably by Latexmk, is that
       LaTeX is a multiple pass system.  On each run, LaTeX reads in  informa-
       tion generated on a previous run, for things like cross referencing and
       indexing.  In the simplest cases, a second run of LaTeX  suffices,  and
       often  the log file contains a message about the need for another pass.
       However, there is a wide variety of add-on  macro  packages  to  LaTeX,
       with  a  variety  of  behaviors.   The result is to break simple-minded
       determinations of how many runs are needed and of which  programs.   In
       its new version, latexmk has a highly general and efficient solution to
       these issues.  The solution involves retaining between runs information
       on  the  source files, and a symptom is that latexmk generates an extra
       file (with extension .fdb_latexmk, by default) that contains the source
       file information.


LATEXMK OPTIONS AND ARGUMENTS ON COMMAND LINE
       (All  options  can  be  introduced  by single or double "-" characters,
       e.g., "latexmk -help" or "latexmk --help".)

       file   One or more files can be specified.  If no files are  specified,
              latexmk  will, by default, run on all files in the current work-
              ing directory with a ".tex" extension.   This  behavior  can  be
              changed: see the description concerning the @default_files vari-
              able in the section "List of configuration variables  usable  in
              initialization files".

       If  a file is specified without an extension, then the ".tex" extension
       is automatically added, just as LaTeX does.  Thus, if you specify:

            latexmk foo

       then latexmk will operate on the file "foo.tex".

       -bibtex
              When the source file uses bbl files for bibliography, run bibtex
              as needed to regenerate the bbl files.

              This  property can also be configured by setting the $bibtex_use
              variable to 2 in a configuration file

       -bibtex-
              Never run bibtex.

              A common use for this option is when a document  comes  from  an



                                16 January 2010                              2





LATEXMK(1L)                                                        LATEXMK(1L)


              external  source,  complete  with  its bbl file(s), and the user
              does not have the corresponding bib files  available.   In  this
              situation  use  of the -bibtex- option will prevent latexmk from
              trying to run bibtex, which would result in overwriting  of  the
              bbl files.

       -bibtex-cond
              When  the source file uses bbl file(s) for the bibliography, run
              bibtex as needed to regenerate the bbl files, but  only  if  the
              relevant  bib  file(s)  exist.   Thus when the bib files are not
              available, bibtex is not run, thereby  avoiding  overwriting  of
              the bbl file(s).  This is the default setting.

              (Note  that  it  is  possible for latexmk to decide that the bib
              file does not exist, even though the bib  file  does  exist  and
              bibtex finds it.  The problem is that the bib file may not be in
              the current directory  but  in  some  search  path;  the  places
              latexmk  and  bibtex cause to be searched need not be identical.
              On modern installations of TeX and related programs this problem
              should not arise, since latexmk uses the kpsewhich program to do
              the search, and kpsewhich should use the  same  search  path  as
              bibtex.   If  this  problem  arises, use the -bibtex option when
              invoking latexmk.)

       -bm <message>
              A banner message to print diagonally across each page when  con-
              verting  the dvi file to postscript.  The message must be a sin-
              gle argument on the command line  so  be  careful  with  quoting
              spaces and such.

              Note  that  if  the  -bm  option is specified, the -ps option is
              assumed.

       -bi <intensity>
              How dark to print the banner message.  A decimal number  between
              0 and 1.  0 is black and 1 is white.  The default is 0.95, which
              is OK unless your toner cartridge is getting low.

       -bs <scale>
              A decimal number that specifies how  large  the  banner  message
              will  be printed.  Experimentation is necessary to get the right
              scale for your message, as a rule of thumb the scale  should  be
              about  equal  to 1100 divided by the number of characters in the
              message.  The default is 220.0 which is just right for 5 charac-
              ter messages.

       -commands
              List the commands used by latexmk for processing files, and then
              exit.

       -c     Clean up (remove) all regeneratable files generated by latex and
              bibtex except dvi, postscript and pdf.  These files are a combi-
              nation of log files,  aux  files,  latexmk's  database  file  of
              source  file information, and those with extensions specified in



                                16 January 2010                              3





LATEXMK(1L)                                                        LATEXMK(1L)


              the @generated_exts configuration variable.  In addition,  files
              with  extensions  by  the  $clean_ext configuration variable are
              removed.

              This cleanup is instead of a regular make.  See the  -gg  option
              if you want to do a cleanup then a make.

              If  $bibtex_use  is set to 0 or 1, bbl files are counted as non-
              regeneratable.

       -C     Clean up (remove) all regeneratable files generated by latex and
              bibtex.   This is the same as the -c option with the addition of
              dvi, postscript and pdf files, and those with extensions in  the
              $clean_full_ext configuration variable.

              This  cleanup  is instead of a regular make.  See the -gg option
              if you want to do a cleanup than a make.

              If $bibtex_use is set to 0 or 1, bbl files are counted  as  non-
              regeneratable.

       -CA    Clean up (remove) absolutely all regeneratable files.  It is now
              equivalent to the -C option

              This cleanup is instead of a regular make.  See the  -gg  option
              if you want to do a cleanup then a make.

              If  $bibtex_use  is set to 0 or 1, bbl files are counted as non-
              regeneratable.

       -CF    Remove the file containing the database of source file  informa-
              tion, before doing the other actions requested.

       -d     Set  draft  mode.  This prints the banner message "DRAFT" across
              your page when converting the dvi file to postscript.  Size  and
              intensity can be modified with the -bs and -bi options.  The -bm
              option will override this option as this is really just a  short
              way of specifying:

                   latexmk -bm DRAFT

              Note  that  if  the  -d  option  is specified, the -ps option is
              assumed.

       -dF    Dvi file filtering.  The argument to this  option  is  a  filter
              which  will  generate  a  filtered  dvi  file with the extension
              ".dviF".  All extra processing (e.g. conversion  to  postscript,
              preview,  printing)  will then be performed on this filtered dvi
              file.

              Example usage: To use dviselect to select only the even pages of
              the dvi file:

                   latexmk -dF 'dviselect even' foo.tex



                                16 January 2010                              4





LATEXMK(1L)                                                        LATEXMK(1L)


       -diagnostics
              Print  detailed  diagnostics  during  a  run.  This may help for
              debugging problems or to understand .latexmk's behavior in  dif-
              ficult situations.

       -dvi   Generate dvi version of document.

       -dvi-  Turn  off  generation of dvi version of document.  (This may get
              overridden, if some other file is made (e.g., a .ps  file)  that
              is  generated  from the dvi file, or if no generated file at all
              is requested.)

       -e <code>
              Execute the specified  initialization  code  before  processing.
              The  code  is Perl code of the same form as is used in latexmk's
              initialization files -- for more details, see the information on
              the  -r option, and the section about "Configuration/initializa-
              tion (RC) files".  The code is typically a sequence  of  assign-
              ment statements separated by semicolons.

              The  code  is  executed when the -e option is encountered during
              latexmk's parsing of its command line.  See the -r option for  a
              way  of  executing  initialization  code  from a file.  An error
              results in latexmk stopping.  Multiple instances of the  -r  and
              -e  options can be used, and they are executed in the order they
              appear on the command line.

              Some care is needed to deal with proper quoting of special char-
              acters  in  the  code on the command line.  For example, suppose
              you want to set the  latex  command  to  use  its  -shell-escape
              option, then under UNIX/LINUX you could use the line

                   latexmk -e '$latex=q/latex %O -shell-escape %S/' file.tex

              Note  that  the  single  quotes  block normal UNIX/LINUX command
              shells from treating the characters inside the  quotes  as  spe-
              cial.   (In  this  example, the q/.../ construct is a Perl idiom
              equivalent to using single quotes.  This  avoids  the  complica-
              tions  of  getting  a  quote  character inside an already quoted
              string in a way that is independent of both the  shell  and  the
              operating-system.)

              The  above  command  line  will  NOT  work under MS-Windows with
              cmd.exe or command.com or 4nt.exe.  For  MS-Windows  with  these
              command shells you could use

                   latexmk -e "$latex=q/latex %O -shell-escape %S/" file.tex

              or

                   latexmk -e "$latex='latex %O -shell-escape %S'" file.tex

              The  last  two  examples  will  NOT work with UNIX/LINUX command
              shells.



                                16 January 2010                              5





LATEXMK(1L)                                                        LATEXMK(1L)


       -f     Force latexmk to continue document  processing  despite  errors.
              Normally, when latexmk detects that LaTeX or another program has
              found an error which will not be resolved by further processing,
              no further processing is carried out.

       -f-    Turn off the forced processing-past-errors such as is set by the
              -f option.  This could be used to override a setting in  a  con-
              figuration file.

       -g     Force  latexmk  to process document fully, even under situations
              where latexmk would normally  decide  that  no  changes  in  the
              source  files have occurred since the previous run.  This option
              is useful, for example, if you change some options and  wish  to
              reprocess the files.

       -g-    Turn off -g.

       -gg    "Super go mode" or "clean make": clean out generated files as if
              -CA had been given, and then do a regular make.

       -h, -help
              Print help information.

       -l     Run in landscape mode, using the landscape mode for the preview-
              ers  and  the  dvi to postscript converters.  This option is not
              normally needed  nowadays,  since  current  previewers  normally
              determine this information automatically.

       -l-    Turn off -l.

       -new-viewer
              When  in  continuous-preview  mode, always start a new viewer to
              view the generated file.  By default, latexmk will, in  continu-
              ous-preview  mode,  test  for a previously running previewer for
              the same file and not start a new one if a previous previewer is
              running.  However, its test sometimes fails (notably if there is
              an already-running previewer that is viewing a file of the  same
              name  as  the current file, but in a different directory).  This
              option turns off the default behavior.

       -new-viewer-
              The inverse of the -new-viewer option.  It puts latexmk  in  its
              normal behavior that in preview-continuous mode it checks for an
              already-running previewer.

       -nobibtex
              Never run bibtex.

              A common use for this option is when a document  comes  from  an
              external  source,  complete  with  its bbl file(s), and the user
              does not have the corresponding bib files  available.   In  this
              situation  use of the -nobibtex option will prevent latexmk from
              trying to run bibtex, which would result in overwriting  of  the
              bbl files.



                                16 January 2010                              6





LATEXMK(1L)                                                        LATEXMK(1L)


       -p     Print  out  the  document.   By  default  it  is  the  generated
              postscript file that is printed.  But you can use the -print=...
              option  to  print the dvi or pdf files instead, and you can con-
              figure this in a start up file (by setting the $print_type vari-
              able).

              However,  printing  is  enabled by default only under UNIX/LINUX
              systems, where the default is to use the lpr command.   In  gen-
              eral,  the  correct  behavior  for printing very much depends on
              your system's software.  In  particular,  under  MS-Windows  you
              must  have suitable program(s) available, and you must have con-
              figured the print commands used by latexmk.  This  can  be  non-
              trivial.   See  the  documentation  on  the  $lpr, $lpr_dvi, and
              $lpr_pdf configuration variables to see how to set the  commands
              for printing.

              This option is incompatible with the -pv and -pvc options, so it
              turns them off.

       -pdf   Generate pdf version of document using pdflatex.

       -pdfdvi
              Generate pdf version of document from the dvi file,  by  default
              using dvipdf.

       -pdfps Generate  pdf  version  of document from the ps file, by default
              using ps2pdf.

       -pdf-  Turn off generation of pdf version of document.   (This  can  be
              used  to override a setting in a configuration file.  It may get
              overridden if some other option requires the generation of a pdf
              file.)

       -print=dvi, -print=ps, -print=pdf
              Define  which kind of file is printed.  This option also ensures
              that the requisite file is made, and  turns  on  printing.   The
              default is to print a postscript file.

       -ps    Generate postscript version of document.

       -ps-   Turn off generation of postscript version of document.  This can
              be used to override a setting in a configuration file.  (It  may
              get  overridden  by some other option that requires a postscript
              file, for example a request for printing.)

       -pF    Postscript file filtering.  The argument to  this  option  is  a
              filter  which  will generate a filtered postscript file with the
              extension ".psF".  All extra processing (e.g. preview, printing)
              will then be performed on this filtered postscript file.

              Example of usage: Use psnup to print two pages on the one page:

                   latexmk -ps -pF 'psnup -2' foo.tex




                                16 January 2010                              7





LATEXMK(1L)                                                        LATEXMK(1L)


              or

                   latexmk -ps -pF "psnup -2" foo.tex

              Whether to use single or double quotes round the "psnup -2" will
              depend on your command interpreter, as used  by  the  particular
              version of perl and the operating system on your computer.

       -pv    Run  file  previewer.   If  the  -view option is used, this will
              select the kind of file to be previewed (dvi, ps or pdf).   Oth-
              erwise  the viewer views the "highest" kind of file selected, by
              the -dvi, -ps, -pdf, -pdfps options, in the order dvi,  ps,  pdf
              (low  to high).  If no file type has been selected, the dvi pre-
              viewer will be used.  This option is incompatible  with  the  -p
              and -pvc options, so it turns them off.

       -pv-   Turn off -pv.

       -pvc   Run  a  file  previewer  and  continually  update the .dvi, .ps,
              and/or .pdf files whenever changes are made to source files (see
              the  Description  above).  Which of these files is generated and
              which is viewed is governed by the other  options,  and  is  the
              same  as for the -pv option.  The preview-continuous option -pvc
              can only work with one file.  So in this case you will  normally
              only  specify  one  filename  on  the  command line.  It is also
              incompatible with the -p and -pv  options,  so  it  turns  these
              options off

              With a good previewer the display will be automatically updated.
              (Under some but not all versions of UNIX/Linux "gv -watch"  does
              this  for  postscript  files; this can be set by a configuration
              variable.  This would also work for  pdf  files  except  for  an
              apparent  bug  in gv that causes an error when the newly updated
              pdf file is read.)  Many other previewers  will  need  a  manual
              update.

              Important note: the acroread program on MS-Windows locks the pdf
              file, and prevents new versions being written, so it  is  a  bad
              idea  to  use  acroread  to view pdf files in preview-continuous
              mode.  It is better to use a dvi or ps viewer, as set by one  of
              the -view=dvi and -view=ps options.

              There  are  some  other methods for arranging an update, notably
              useful for many versions of xdvi and xpdf.  These are  best  set
              in latexmk's configuration; see below.

              Note  that  if  latexmk  dies  or  is  stopped  by the user, the
              "forked" previewer will continue to run.  Successive invocations
              with  the  -pvc option will not fork new previewers, but latexmk
              will normally use the existing previewer.  (At least  this  will
              happen  when  latexmk is running under an operating system where
              it knows how to determine whether an existing previewer is  run-
              ning.)




                                16 January 2010                              8





LATEXMK(1L)                                                        LATEXMK(1L)


       -pvc-  Turn off -pvc.

       -quiet Same as -silent

       -r <rcfile>
              Read  the  specified initialization file ("RC file") before pro-
              cessing.

              Be careful about the ordering: (1) Standard initialization files
              --  see  the section below on "Configuration/initialization (RC)
              files" -- are read first.  (2) Then the options on  the  command
              line  are acted on in the order they are given.  Therefore if an
              initialization file is specified by the -r option,  it  is  read
              during  this second step.  Thus an initialization file specified
              with the -r option can override both the standard initialization
              files and previously specified options.  But all of these can be
              overridden by later options.

              The contents of the RC file just comprise a piece of code in the
              Perl  programming  language  (typically a sequence of assignment
              statements); they are executed when the -r option is encountered
              during latexmk's parsing of its command line.  See the -e option
              for a way of giving initialization code  directly  on  latexmk's
              command  line.   An error results in latexmk stopping.  Multiple
              instances of the -r and -e options can be  used,  and  they  are
              executed in the order they appear on the command line.

       -silent
              Run commands silently, i.e., with options that reduce the amount
              of diagnostics generated.  For example, with  the  default  set-
              tings  for  commands  under  UNIX,  the command "latex -interac-
              tion=batchmode" is used for latex.

              Also reduce the number of informational  messages  that  latexmk
              generates.

       -v, -version
              Print version number of latexmk.

       -verbose
              Opposite of -silent.  This is the default setting.

       -view=default, -view=dvi, -view=ps, -view=pdf
              Set the kind of file used when previewing is requested (e.g., by
              the -pv or -pvc switches).  The default is to view the "highest"
              kind of requested file (in the order dvi, ps, pdf).

       The  preview-continuous option -pvc can only work with one file.  So in
       this case you will normally only specify one filename  on  the  command
       line.

       Options  -p,  -pv  and  -pvc  are mutually exclusive.  So each of these
       options turns the others off.




                                16 January 2010                              9





LATEXMK(1L)                                                        LATEXMK(1L)


EXAMPLES
       % latexmk thesis    # run latex enough times to resolve
                           cross-references

       % latexmk -pvc -ps thesis# run latex enough times to resolve
                           cross-references, make a postscript
                           file, start a previewer.  Then
                           watch for changes in the source
                           file thesis.tex and any files it
                           uses.  After any changes rerun latex
                           the appropriate number of times and
                           remake the postscript file.  If latex
                           encounters an error, latexmk will
                           keep running, watching for
                           source file changes.

       % latexmk -c        # remove .aux, .log, .bbl, .blg, .dvi,
                           .pdf, .ps & .bbl files



CONFIGURATION/INITIALIZATION (RC) FILES
       Latexmk can be customized using initialization files, which are read at
       startup in the following order:

       1) The system RC file, if it exists.
          On a UNIX system, latexmk searches for following places for its sys-
       tem RC file, in the following order, and reads the first it finds:
          "/opt/local/share/latexmk/LatexMk",
          "/usr/local/share/latexmk/LatexMk",
          "/usr/local/lib/latexmk/LatexMk".
          On a MS-WINDOWS system it looks for "C:\latexmk\LatexMk".

       2) The user's RC file, "$HOME/.latexmkrc", if it exists.  Here $HOME is
       the  value  of  the  environment  variable  HOME.   On  UNIX and clones
       (including LINUX), this variable is set by the system;  on  MS-Windows,
       the user may choose to set it.

       3)  The  RC  file  in  the current working directory.  This file can be
       named either "latexmkrc" or ".latexmkrc", and the first of these to  be
       found is used, if any.

       4) Any RC file(s) specified on the command line with the -r option.

       Each RC file is a sequence of Perl commands.  Naturally, a user can use
       this in creative ways.  But  for  most  purposes,  one  simply  uses  a
       sequence  of  assignment  statements that override some of the built-in
       settings of Latexmk.  Straightforward  cases  can  be  handled  without
       knowledge  of  the Perl language by using the examples in this document
       as templates.  Comment lines are introduced by the "#" character.

       Note that command line options are obeyed in the order  in  which  they
       are written; thus any RC file specified on the command line with the -r
       option can override previous options but can be  itself  overridden  by



                                16 January 2010                             10





LATEXMK(1L)                                                        LATEXMK(1L)


       later  options on the command line.  There is also the -e option, which
       allows initialization code to be specified in latexmk's command line.


HOW TO SET VARIABLES IN INITIALIZATION FILES
       The important variables that can be configured  are  described  in  the
       section  "List  of  configuration  variables  usable  in initialization
       files".  Syntax for setting these variables is of the following forms:

                           $bibtex = 'bibtex %O %B';

       for the setting of a string variable,

                           $preview_mode = 1;

       for the setting of a numeric variable, and

                           @default_files = ('paper', 'paper1');

       for the setting of an array of strings.  It is possible  to  append  an
       item to an array variable as follows:

                           push @default_files, 'paper2';

       Note  that  simple  "scalar"  variables  have names that begin with a $
       character and array variables have names that begin with a @ character.
       Each statement ends with a semicolon.

       Strings  should  be  enclosed  in single quotes.  (You could use double
       quotes, as in many programming languages.  But then the  Perl  program-
       ming  language  brings  into  play some special rules for interpolating
       variables into strings.  People not fluent in Perl will want  to  avoid
       these complications.)

       You  can do much more complicated things, but for this you will need to
       consult a manual for the Perl programming language.




FORMAT OF COMMAND SPECIFICATIONS
       Some of the variables set the commands that latexmk uses  for  carrying
       out  its work, for example to generate a dvi file from a tex file or to
       view a postscript file.  This section describes some important features
       of how the commands are specified.

       Placeholders:  Supposed you wanted latexmk to use the command elatex in
       place of the regular latex  command,  and  suppose  moreover  that  you
       wanted  to  give  it the option "--shell-escape".  You could do this by
       the following setting:

            $latex = 'elatex --shell-escape %O %S';

       The two items starting with the % character  are  placeholders.   These



                                16 January 2010                             11





LATEXMK(1L)                                                        LATEXMK(1L)


       are  substituted by appropriate values before the command is run.  Thus
       %S will be replaced by the source file that elatex will be applied  to,
       and  %O will be replaced by any options that latexmk has decided to use
       for this command.  (E.g., if you  used  the  -silent  option  it  would
       replace %O by "-interaction=batchmode".)

       The available placeholders are:

       %B     base  of  filename  for  current command.  E.g., if a postscript
              file document.ps is being made from the dvi  file  document.dvi,
              then the basename is document.

       %D     destination  file  (e.g.,  the  name of the postscript file when
              converting a dvi file to postscript).

       %O     options

       %R     root filename.  This is the base name for the main tex file.

       %S     source file (e.g., the name of the dvi file  when  converting  a
              dvi file to ps).

       %T     The name of the primary tex file.

       If  for  some  reason you need a literal % character in your string not
       subject to the above rules, use a pair of these characters.  Thus  with
       the  command  specification  $ps_previewer = 'latex -ad=%%Sfile.ad %S',
       the %%S will become %S when the command is executed, but the %S will be
       replaced  by  the source filename, which in this case would be the name
       of a postscript file to be viewed.

       Appropriate quoting will be applied to the filename  substitutions,  so
       you  mustn't  supply  them  yourself even if you the names of your have
       spaces in them.  (But if your TeX filenames have spaces in them, beware
       that many versions of the TeX program cannot correctly handle filenames
       containing spaces.)  In case latexmk's quoting does not work  correctly
       on  your  system,  you can turn it off -- see the documentation for the
       variable $quote_filenames.

       The distinction between %B and %R needs a bit of care, since  they  are
       often  the same, but not always.  For example on a simple document, the
       basename of a bibtex run is the same as for the texfile.  But in a doc-
       ument  with  several bibliographies, the bibliography files will have a
       variety of names.  Since bibtex is invoked with  the  basename  of  the
       bibliography  file, the setting for the bibtex command should therefore
       be

            $bibtex = 'bibtex %O %B';

       Generally, you should use %B rather than %R.  Similarly for  most  pur-
       poses,  the name %T of the primary texfile is not a useful placeholder.

       See the default values in the section "List of configuration  variables
       usable   in  initialization  files"  for  what  is  normally  the  most



                                16 January 2010                             12





LATEXMK(1L)                                                        LATEXMK(1L)


       appropriate usage.

       If you omit to supply any placeholders whatever in the specification of
       a  command,  latexmk will supply what its author thinks are appropriate
       defaults.  This gives compatibility with configuration files for previ-
       ous versions of latexmk, which didn't use placeholders.

       "Detaching"  a  command: Normally when latexmk runs a command, it waits
       for the command to run to completion.  This is appropriate for commands
       like latex, of course.  But for previewers, the command should normally
       run detached, so that latexmk  gets  the  previewer  running  and  then
       returns to its next task (or exits if there is nothing else to do).  To
       achieve this effect of detaching a command, you  need  to  precede  the
       command name with "start ", as in

            $dvi_previewer = 'start xdvi %O %S';

       This  will  be translated to whatever is appropriate for your operating
       system.

       Notes: (1) In some circumstances,  latex  will  always  run  a  command
       detached.  This is the case for a previewer in preview continuous mode,
       since otherwise previewing continuously makes no sense.  (2) This  pre-
       cludes  the  possibility  of running a command named start.  (3) If the
       word start occurs more than  once  at  the  beginning  of  the  command
       string,  that is equivalent to having just one.  (4) Under cygwin, some
       complications happen, since cygwin amounts to a complicated merging  of
       UNIX  and  MS-Windows.   See  the  source code for how I've handled the
       problem.

       Command names containing spaces: Under MS-Windows it is common that the
       name of a command includes spaces, since software is often installed in
       a subdirectory of "C:Program Files".   Such  command  names  should  be
       enclosed in double quotes, as in

            $lpr_pdf  =  '"c:/Program  Files/Ghostgum/gsview/gsview32.exe"  /p
       %S';

       Using MS-Windows file associations: A useful trick  under  modern  ver-
       sions of MS-Windows (e.g., WinXP) is to use just the command

            $dvi_previewer = 'start %S';

       Under recent versions of MS-Windows, this will cause to be run whatever
       program the system has associated with dvi files.   (The  same  applies
       for a postscript viewer and a pdf viewer.)

       Not using a certain command: If a command is not to be run, the command
       name NONE is used, as in

            $lpr  = 'NONE lpr';

       This typically is used when an appropriate command does  not  exist  on
       your system.  The string after the "NONE" is effectively a comment.



                                16 January 2010                             13





LATEXMK(1L)                                                        LATEXMK(1L)


       Options to commands: Setting the name of a command can be used not only
       for changing the name of the command called, but also to add options to
       command.   Suppose  you  want latexmk to use latex with source specials
       enabled.  Then you might use the following line  in  an  initialization
       file:

            $latex = 'latex --src-specials %O %S';


       Advanced  tricks:  Normally one specifies a single command for the com-
       mands invoked by latexmk.  Naturally,  if  there  is  some  complicated
       additional processing you need to do in your special situation, you can
       write a script (or batch file) to do the processing, and then configure
       latexmk to use your script in place of the standard program.

       It is also possible to configure latexmk to run multiple commands.  For
       example, if when running pdflatex to generate a pdf  file  from  a  tex
       file  you  need  to  run another program after pdflatex to perform some
       extra processing, you could do something like:

            $pdflatex = 'pdflatex --shell-escape  %O  %S;  pst2pdf_for_latexmk
       %B';

       This  definition  assumes you are using a UNIX-like system, so that the
       two commands to be run are separated by the semicolon in the middle  of
       the string.



LIST OF CONFIGURATION VARIABLES USABLE IN INITIALIZATION FILES
       Default values are indicated in brackets.

       $banner [0]
              If  nonzero, the banner message is printed across each page when
              converting the dvi file to postscript.   Without  modifying  the
              variable  $banner_message,  this is equivalent to specifying the
              -d option.

              Note that if $banner is nonzero, the $postscript_mode is assumed
              and the postscript file is always generated, even if it is newer
              than the dvi file.

       $banner_intensity [0.95]
              Equivalent to the -bi option, this is a decimal number between 0
              and  1 that specifies how dark to print the banner message. 0 is
              black, 1 is white.  The default is just right if your toner car-
              tridge isn't running too low.

       $banner_message ["DRAFT"]
              The banner message to print across each page when converting the
              dvi file to postscript.  This is equivalent to the -bm option.

       $banner_scale [220.0]
              A decimal number that specifies how  large  the  banner  message
              will  be printed.  Experimentation is necessary to get the right



                                16 January 2010                             14





LATEXMK(1L)                                                        LATEXMK(1L)


              scale for your message, as a rule of thumb the scale  should  be
              about  equal  to 1100 divided by the number of characters in the
              message.  The Default is just right for  5  character  messages.
              This is equivalent to the -bs option.

       @BIBINPUTS
              This  is  an array variable, now mostly obsolete, that specifies
              directories where  latexmk  should  look  for  .bib  files.   By
              default it is set from the BIBINPUTS environment variable of the
              operating system.  If that environment variable is  not  set,  a
              single  element list consisting of the current directory is set.
              The format of the directory names depends on your operating sys-
              tem, of course.  Examples for setting this variable are:

                      @BIBINPUTS = ( ".", "C:\bibfiles" );
                      @BIBINPUTS = ( ".", "\\server\bibfiles" );
                      @BIBINPUTS = ( ".", "C:/bibfiles" );
                      @BIBINPUTS = ( ".", "//server/bibfiles" );
                      @BIBINPUTS = ( ".", "/usr/local/texmf/bibtex/bib" );

              Note  that  under  MS  Windows,  either a forward slash "/" or a
              backward slash "\" can be used to separate pathname  components,
              so  the  first  two  and the second two examples are equivalent.
              Each backward slash should be doubled to avoid running afoul  of
              Perl's rules for writing strings.

       Important  note:  This  variable  is now mostly obsolete in the current
       version of latexmk, since it has a better method of searching for files
       using the kpsewhich command.  However, if your system is an unusual one
       without the kpsewhich command, you may need to set the variable @BIBIN-
       PUTS.

       $bibtex ["bibtex %O %S"]
              The BibTeX processing program.

       $bibtex_silent_switch ["-terse"]
              Switch(es) for the BibTeX processing program when silent mode is
              on.

       $bibtex_use [1]
              Under what conditions to run  BibTeX.   When  latexmk  discovers
              from the log file that one (or more) BibTeX-generated bibliogra-
              phies are used, it can run BibTeX whenever it appears  necessary
              to  regenerate  the  bbl  file(s) from their source bib database
              file(s).

              But sometimes, the bib file(s) are not available  (e.g.,  for  a
              document  obtained  from an external archive), but the bbl files
              are provided.  In that case use of BibTeX will result in  incor-
              rect  overwriting of the precious bbl files.  The variable $bib-
              tex_use controls whether this happens.  Its possible values are:
              0: never use BibTeX.  1: only use BibTeX if the bib files exist.
              2: run BibTeX whenever it appears necessary to  update  the  bbl
              files, without testing for the existence of the bib files.




                                16 January 2010                             15





LATEXMK(1L)                                                        LATEXMK(1L)


       $cleanup_includes_generated [0]
              If  nonzero,  specifies that cleanup also deletes files that are
              detected in log file as being generated (see the \openout  lines
              in  the  log  file).  It will also include files made from these
              first generation generated files.

       $cleanup_mode [0]
              If nonzero, specifies cleanup mode: 1 for full  cleanup,  2  for
              cleanup  except  for dvi, ps and pdf files, 3 for cleanup except
              for dep and aux files.  (There is also extra cleaning as  speci-
              fied  by  the  $clean_ext,  $clean_full_ext  and @generated_exts
              variables.)

       This variable is equivalent to specifying one of the  -c,  -c1,  or  -C
       options.   But  there should be no need to set this variable from an RC
       file.

       $clean_ext [""]
              Extra extensions of files for latexmk to remove when any of  the
              clean-up  options  (-c,  -c1,  or -C) is selected.  The value of
              this variable is a string containing the extensions separated by
              spaces.

       $clean_full_ext [""]
              Extra  extensions  of  files  for  latexmk to remove when the -C
              option is selected, i.e., extensions of files to remove when the
              .dvi, etc files are to be cleaned-up.

       @cus_dep_list [()]
              Custom  dependency list -- see section on "Custom Dependencies".

       @default_files [("*.tex")]
              Default list of files to be processed.

              Normally, if no filenames are specified  on  the  command  line,
              latexmk  processes all tex files specified in the @default_files
              variable, which by default is set to all tex files ("*.tex")  in
              the  current directory.  This is a convenience: just run latexmk
              and it will process an appropriate set of files.  But  sometimes
              you want only some of these files to be processed.  In this case
              you set the @default_files in an initialization file (e.g.,  the
              file  "latexmkrc"  in  the current directory).  Then if no files
              are specified on the command line then the files you specify  by
              setting @default_files are processed.

              Three examples:

                   @default_files = ("paper_current");

                   @default_files = ("paper1", "paper2.tex");

                   @default_files = ("*.tex", "*.dtx");

              Note  that  more  than  file  may be given, and that the default
              extension is ".tex".  Wild cards are allowed.   The  parentheses



                                16 January 2010                             16





LATEXMK(1L)                                                        LATEXMK(1L)


              are  because  @default_files  is  an  array  variable,  i.e.,  a
              sequence of filename specifications is possible.

       $dvi_filter [empty]
              The dvi file filter to be run on the  newly  produced  dvi  file
              before  other  processing.   Equivalent  to  specifying  the -dF
              option.

       $dvi_mode [See below for default]
              If nonzero, generate a dvi version of the document.   Equivalent
              to the -dvi option.

       The  variable  $dvi_mode defaults to 0, but if no explicit requests are
       made for other types of file (postscript, pdf), then $dvi_mode will  be
       set  to  1.  In addition, if a request for a file for which a .dvi file
       is a prerequisite, then $dvi_mode will be set to 1.

       $dvi_previewer ["start xdvi %O %S" under UNIX]
              The command to invoke  a  dvi-previewer.   [Default  is  "start"
              under  MS-WINDOWS;  under  more recent versions of Windows, this
              will cause to be run whatever command the system has  associated
              with .dvi files.]

       $dvi_previewer_landscape ["start xdvi %O %S"]
              The  command  to  invoke  a  dvi-previewer  in  landscape  mode.
              [Default is "start" under MS-WINDOWS; under more recent versions
              of  Windows, this will cause to be run whatever command the sys-
              tem has associated with .dvi files.]

       $dvipdf ["dvipdf %O %S %D"]
              Command to convert dvi to pdf file.  A common reconfiguration is
              to  use the dvipdfm command, which needs its arguments in a dif-
              ferent order:

                   $dvipdf = "dvipdfm %O -o %D %S";

              WARNING: The default dvipdf  script  generates  pdf  files  with
              bitmapped fonts, which do not look good when viewed by acroread.
              That script should be modified to give  dvips  the  options  "-P
              pdf" to ensure that type 1 fonts are used in the pdf file.

       $dvips ["dvips %O -o %D %S"]
              The  program to used as a filter to convert a .dvi file to a .ps
              file.  If pdf is going to be generated from pdf, then the  value
              of the $dvips_pdf_switch -- see below -- will be included in the
              options substituted for "%O".

       $dvips_landscape ["dvips -tlandscape %O -o %D %S"]
              The program to used as a filter to convert a .dvi file to a  .ps
              file in landscape mode.

       $dvips_pdf_switch ["-P pdf"]
              Switch(es)  for  dvips  program when pdf file is to be generated
              from ps file.




                                16 January 2010                             17





LATEXMK(1L)                                                        LATEXMK(1L)


       $dvips_silent_switch ["-q"]
              Switch(es) for dvips program when silent mode is on.

       $dvi_update_command [""]
              When the dvi previewer is set to be updated by  running  a  com-
              mand,  this is the command that is run.  See the information for
              the variable $dvi_update_method for further information, and see
              information  on  the  variable $pdf_update_method for an example
              for the analogous case of a pdf previewer.

       $dvi_update_method [2 under UNIX, 1 under MS-Windows]
              How the dvi viewer updates its display when  the  dvi  file  has
              changed.     The    values    here    apply   equally   to   the
              $pdf_update_method and to the $ps_update_method variables.
                  0 => update is automatic,
                  1=> manual update by user, which may only mean a mouse click
              on the viewer's window or may mean a more serious action.
                  2  =>  Send  the  signal,  whose  number  is in the variable
              $dvi_update_signal.  The default value under  UNIX  is  suitable
              for xdvi.
                  3  => Viewer cannot do an update, because it locks the file.
              (As with acroread under MS-Windows.)
                  4 => run a command to do the update.  The command is  speci-
              fied by the variable $dvi_update_command.

              See  information on the variable $pdf_update_method for an exam-
              ple of updating by command.

       $dvi_update_signal [Under UNIX: SIGUSR1, which  is  a  system-dependent
       value]
              The number of the signal that is sent to the dvi viewer when  it
              is  updated  by  sending  a signal -- see the information on the
              variable $dvi_update_method.   The  default  value  is  the  one
              appropriate for xdvi on a UNIX system.

       $fdb_ext ["fdb_latexmk"]
              The  extension  of the file which latexmk generates to contain a
              database of information on source files.  You will not  normally
              need to change this.

       $force_mode [0]
              If  nonzero, continue processing past minor latex errors includ-
              ing unrecognized cross references.  Equivalent to specifying the
              -f option.

       @generated_exts  [(  aux  ,  bbl  , idx , ind , lof , lot , out , toc ,
       $fdb_ext )]
              This  contains a list of extensions for files that are generated
              during a LaTeX run and that are read in by LaTeX in later  runs,
              either directly or indirectly.

              This  list  has  two  uses:  (a)  to set the kinds of file to be
              deleted in a cleanup operation (with the -c, -C, -CA, -g and -gg
              options),  and  (b)  in  the determination of whether a rerun of
              (pdf)LaTeX is needed after a run that gives an error.



                                16 January 2010                             18





LATEXMK(1L)                                                        LATEXMK(1L)


              (Normally, a change of a source file during a run should provoke
              a  rerun.  This includes a file generated by LaTeX, e.g., an aux
              file, that is read in on subsequent runs.  But after a run  that
              results  in  an error, a new run should occur until the user has
              made a change in the files.  But the user may have corrected  an
              error in a source .tex file during the run.  So latexmk needs to
              distinguish user-generated and automatically generated files; it
              determines  the  automatically  generated  files  as  those with
              extensions in the list in @generated_exts.)

              A convenient way to add an extra extension to the list,  without
              losing  the already defined ones is to use a push command in the
              line in an RC file.  E.g.,

                              push @generated_exts, "end";

              adds the extension "end" to the  list  of  predefined  generated
              extensions.   (This extension is used by the RevTeX package, for
              example.)

       $go_mode [0]
              If nonzero, process files regardless of timestamps, and is  then
              equivalent to the -g option.

       %hash_calc_ignore_pattern
              !!!This variable is for experts only!!!

              The  general rule latexmk uses for determining when an extra run
              of some program is needed is that one of the  source  files  has
              changed.   But  consider for example a latex package that causes
              an encapsulated postscript file (an "eps" file) to be made  that
              is  to  be read in on the next run.  The file contains a comment
              line giving its creation date and time.  On  the  next  run  the
              time  changes,  latex  sees  that  the eps file has changed, and
              therefore reruns latex.  This  causes  an  infinite  loop,  only
              exited  becaues  latexmk  has  a  limit on the number of runs to
              guard against pathological situations.

              But the changing line has no real effect, since it is a comment.
              You can instruct latex to ignore the offending line as follows:

                 $hash_calc_ignore_pattern{'eps'} = '^%%CreationDate: ';

              This creates a rule for files with extension .eps about lines to
              ignore.  The left-hand side is a Perl idiom for setting an  item
              in  a hash.  Note that the file extension is specified without a
              period.  The value, on the right-hand side, is a string contain-
              ing  a  regular expresssion.  (See documentation on Perl for how
              they are to be specified in general.)  This  particular  regular
              expression  specifies that lines beginning with "%%CreationDate:
              " are to be ignored in deciding whether  a  file  of  the  given
              extension .eps has changed.

       $kpsewhich ["kpsewhich %S"]
              The  program  called to locate a source file when the name alone
              is  not  sufficient.   Most  filenames  used  by  latexmk   have



                                16 January 2010                             19





LATEXMK(1L)                                                        LATEXMK(1L)


              sufficient  path  information  to  be found directly.  But some-
              times, notably when .bib files are found from the log file of  a
              bibtex  run,  the  name  of the file, but not its path is known.
              The program specified by $kpsewhich is used to find it.

              See also the @BIBINPUTS variable for another  way  that  latexmk
              also uses to try to locate files; it applies only in the case of
              .bib files.

       $landscape_mode [0]
              If nonzero, run in landscape mode, using the landscape mode pre-
              viewers  and dvi to postscript converters.  Equivalent to the -l
              option.  Normally not needed with current previewers.

       $latex ["latex %O %S"]
              The LaTeX processing program.  Note that as with other programs,
              you  can  use  this  variable not just to change the name of the
              program used, but also specify options to the program.  E.g.,

                                  $latex = "latex --src-specials";

       %latex_input_extensions
              This variable specifies the extensions tried by latexmk when  it
              finds  that a LaTeX run resulted in an error that a file has not
              been found, and the file is given without  an  extension.   This
              typically happens when LaTeX commands of the form input{file} or
              includegraphics{figure}, when the relevant source file does  not
              exist.

              In  this  situation, latexmk searches for custom dependencies to
              make the missing file(s), but restricts  it  to  the  extensions
              specified  by the variable %latex_input_extensions.  The default
              extensions are

              (For Perl experts: %latex_input_extensions is a hash whose  keys
              are  the  extensions.   The values are irrelevant.)  Two subrou-
              tines are provided for manipulating this and the  related  vari-
              able      %pdflatex_input_extensions,      add_input_ext     and
              remove_input_ext.  They are used as in  the  following  examples
              are possible lines in an initialization file:

                  remove_input_ext( 'latex', 'tex' );

              removes the extension 'tex' from latex_input_extensions

                  add_input_ext( 'latex', 'asdf' );

              add  the  extension 'asdf to latex_input_extensions.  (Naturally
              with such an extension, you should have made an appropriate cus-
              tom dependency for latexmk, and should also have done the appro-
              priate programming in the LaTeX source file to enable  the  file
              to  be  read.   The standard extensions are handled by LaTeX and
              its graphics/graphicx packages.


       $latex_silent_switch ["-interaction=batchmode"]
              Switch(es) for the LaTeX processing program when silent mode  is
              on.    Under   MS-Windows,  the  default  value  is  changed  to



                                16 January 2010                             20





LATEXMK(1L)                                                        LATEXMK(1L)


              "-interaction=batchmode -c-style-errors", as used by MikTeX  and
              fpTeX.

       $lpr ["lpr %O %S" under UNIX/LINUX, "NONE lpr" under MS-WINDOWS]
              The command to print postscript files.

              Under  MS-Windows (unlike UNIX/LINUX), there is no standard pro-
              gram for printing files.  But there are ways you can do it.  For
              example, if you have gsview installed, you could use it with the
              option "/p":

                  $lpr = '"c:/Program Files/Ghostgum/gsview/gsview32.exe" /p';

              If  gsview  is installed in a different directory, you will need
              to make the appropriate change.  Note the combination of  single
              and  double  quotes  around the name.  The single quotes specify
              that this is a string to be assigned to the configuration  vari-
              able  $lpr.   The double quotes are part of the string passed to
              the operating system to get the command obeyed; this  is  neces-
              sary because one part of the command name ("Program Files") con-
              tains a space which would otherwise be misinterpreted.

       $lpr_dvi ["NONE lpr_dvi"]
              The printing program to print dvi files.

       $lpr_pdf ["NONE lpr_pdf"]
              The printing program to print pdf files.

              Under MS-Windows you could set this to  use  gsview,  if  it  is
              installed, e.g.,

                  $lpr = '"c:/Program Files/Ghostgum/gsview/gsview32.exe" /p';

              If gsview is installed in a different directory, you  will  need
              to  make  the appropriate change.  Note the double quotes around
              the name: this is necessary because one part of the command name
              ("Program Files") contains a space which would otherwise be mis-
              interpreted.


       $makeindex ["makeindex %O -o %D %S"]
              The index processing program.

       $max_repeat [5]
              The maximum number of  times  latexmk  will  run  latex/pdflatex
              before  deciding  that there may be an infinite loop and that it
              needs to bail out, rather than rerunning latex/pdflatex again to
              resolve  cross-references,  etc.   The  default value covers all
              normal cases.

              (Note that the "etc" covers a lot of  cases  where  one  run  of
              latex/pdflatex generates files to be read in on a later run.)

       $new_viewer_always [0]
              This  variable  applies  to  latexmk  only in continuous-preview
              mode.  If $new_viewer_always is 0, latexmk will check for a pre-
              viously  running  previewer on the same file, and if one is run-
              ning will not start a new one.  If  $new_viewer_always  is  non-



                                16 January 2010                             21





LATEXMK(1L)                                                        LATEXMK(1L)


              zero,  this check will be skipped, and latexmk will behave as if
              no viewer is running.

       $pdf_mode [0]
              If zero, do NOT generate a pdf  version  of  the  document.   If
              equal  to 1, generate a pdf version of the document using pdfla-
              tex.  If equal to 2, generate a pdf version of the document from
              the ps file, by using the command specified by the $ps2pdf vari-
              able.  If equal to 3, generate a pdf  version  of  the  document
              from the dvi file, by using the command specified by the $dvipdf
              variable.

              Equivalent to the -pdf-, -pdf, -pdfdvi, -pdfps options.

       $pdflatex ["pdflatex %O %S"]
              The LaTeX processing program in the version  that  makes  a  pdf
              file instead of a dvi file.

       %pdflatex_input_extensions
              This  variable specifies the extensions tried by latexmk when it
              finds that a pdfLaTeX run resulted in an error that a  file  has
              not  been  found,  and  the  file is given without an extension.
              This  typically  happens  when  LaTeX  commands  of   the   form
              input{file} or includegraphics{figure}, when the relevant source
              file does not exist.

              In this situation, latexmk searches for custom  dependencies  to
              make  the  missing  file(s),  but restricts it to the extensions
              specified  by  the  variable  %pdflatex_input_extensions.    The
              default extensions are

              (For  Perl  experts:  %pdflatex_input_extensions is a hash whose
              keys are the extensions.  The values are irrelevant.)  Two  sub-
              routines  are  provided  for  manipulating  this and the related
              variable     %latex_input_extensions,     add_input_ext      and
              remove_input_ext.   They  are  used as in the following examples
              are possible lines in an initialization file:

                  remove_input_ext( 'pdflatex', 'tex' );

              removes the extension 'tex' from pdflatex_input_extensions

                  add_input_ext( 'pdflatex', 'asdf' );

              add the extension 'asdf  to  pdflatex_input_extensions.   (Natu-
              rally  with such an extension, you should have made an appropri-
              ate custom dependency for latexmk, and should also have done the
              appropriate  programming  in the LaTeX source file to enable the
              file to be read.  The standard extensions are handled by  pdfla-
              tex and its graphics/graphicx packages.)


       $pdflatex_silent_switch ["-interaction=batchmode"]
              Switch(es)  for  the pdflatex program (specified in the variable
              $pdflatex when silent mode is on.  Under MS-Windows, the default
              value is changed to "-interaction=batchmode -c-style-errors", as
              used by MikTeX and fpTeX.




                                16 January 2010                             22





LATEXMK(1L)                                                        LATEXMK(1L)


       $pdf_previewer ["start acroread %O %S"]
              The command to invoke a pdf-previewer.  [Default is  changed  to
              "start"  on  MS-WINDOWS;  under more recent versions of Windows,
              this will cause to be run whatever command the system has  asso-
              ciated with .pdf files.]

              WARNING: Potential problem under MS-Windows: if acroread is used
              as the pdf previewer, and it is actually viewing a pdf file, the
              pdf file cannot be updated.  Thus makes acroread a bad choice of
              previewer if you use latexmk's previous-continuous mode  (option
              -pvc)   under  MS-windows.   This  problem  does  not  occur  if
              ghostview, gv or gsview is used to view pdf files.

       $pdf_update_command [""]
              When the pdf previewer is set to be updated by  running  a  com-
              mand,  this is the command that is run.  See the information for
              the variable $pdf_update_method.

       $pdf_update_method [1 under UNIX, 3 under MS-Windows]
              How the pdf viewer updates its display when  the  pdf  file  has
              changed.  See the information on the variable $dvi_update_method
              for the codes.  (Note that information needs be changed slightly
              so  that for the value 4, to run a command to do the update, the
              command is specified by the  variable  $pdf_update_command,  and
              for  the  value  2,  to  specify update by signal, the signal is
              specified by $pdf_update_signal.)

              Note that acroread under MS-Windows (but not UNIX) locks the pdf
              file, so the default value is then 3.

              Arranging to use a command to get a previewer explicitly updated
              requires three variables to be set.  For example:

                  $pdf_previewer = "start xpdf -remote %R %O %S";
                  $pdf_update_method = 4;
                  $pdf_update_command = "xpdf -remote %R -reload";

              The first setting arranges for the xpdf program to  be  used  in
              its  "remote server mode", with the server name specified as the
              rootname of the TeX  file.   The  second  setting  arranges  for
              updating to be done in response to a command, and the third set-
              ting sets the update command.


       $pdf_update_signal [Under UNIX: SIGHUP,  which  is  a  system-dependent
       value]
              The number of the signal that is sent to the pdf viewer when  it
              is  updated  by  sending  a signal -- see the information on the
              variable $pdf_update_method.   The  default  value  is  the  one
              appropriate for gv on a UNIX system.

       $pid_position[1 under UNIX, -1 under MS-Windows]
              The  variable  $pid_position  is  used  to specify which word in
              lines of the output from $pscmd corresponds to the  process  ID.
              The  first word in the line is numbered 0.  The default value of
              1 (2nd word in line) is correct for Solaris 2.6 and Linux.  Set-
              ting  the  variable to -1 is used to indicate that $pscmd is not
              to be used.



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LATEXMK(1L)                                                        LATEXMK(1L)


       $postscript_mode [0]
              If nonzero, generate  a  postscript  version  of  the  document.
              Equivalent to the -ps option.

       If  some  other  request is made for which a postscript file is needed,
       then $postscript_mode will be set to 1.

       $preview_continuous_mode [0]
              If nonzero, run a previewer to view the document,  and  continue
              running latexmk to keep .dvi up-to-date.  Equivalent to the -pvc
              option.  Which previewer is run depends on the  other  settings,
              see the command line options -view=, and the variable $view.

       $preview_mode [0]
              If nonzero, run a previewer to preview the document.  Equivalent
              to the -pv option.  Which previewer is run depends on the  other
              settings,  see the command line options -view=, and the variable
              $view.

       $printout_mode [0]
              If nonzero, print the document using lpr.  Equivalent to the  -p
              option.  This is recommended not to be set from an RC file, oth-
              erwise you could waste lots of paper.

       $print_type = ["ps"]
              Type of file  to  printout:  possibilities  are  "dvi",  "none",
              "pdf", or "ps".

       $pscmd Command used to get all the processes currently run by the user.
              The -pvc option uses  the  command  specified  by  the  variable
              $pscmd  to  determine  if there is an already running previewer,
              and to find the process ID (needed if latexmk  needs  to  signal
              the previewer about file changes).

              Each line of the output of this command is assumed to correspond
              to one process.  See the $pid_position variable for how the pro-
              cess number is determined.

              The  default  for  pscmd  is  "NONE" under MS-Windows and cygwin
              (i.e.,  the  command  is  not  used),  "ps  --width  200  -f  -u
              $ENV{USER}"  under  linux,  "ps  -ww -u $ENV{USER}" under darwin
              (Macintosh OS-X), and "ps -f -u $ENV{USER}" under other  operat-
              ing  systems (including other flavors of UNIX).  In these speci-
              fications "$ENV{USER}" is substituted by the username.

       $ps2pdf ["ps2pdf %O %S %D"]
              Command to convert ps to pdf file.

       $ps_filter [empty]
              The postscript file filter to  be  run  on  the  newly  produced
              postscript file before other processing.  Equivalent to specify-
              ing the -pF option.

       $ps_previewer ["start gv %O %S", but "start %O %S" under MS-WINDOWS]
              The command to invoke a ps-previewer.  (The  default  under  MS-
              WINDOWS  will  cause  to  be run whatever command the system has
              associated with .ps files.)




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LATEXMK(1L)                                                        LATEXMK(1L)


              Note that gv could be used with the -watch  option  updates  its
              display  whenever the postscript file changes, whereas ghostview
              does not.  However, different versions of gv have slightly  dif-
              ferent  ways  of  writing  this  option.  You can configure this
              variable apppropriately.

              WARNING: Linux systems may have installed one (or more) versions
              of  gv  under  different  names, e.g., ggv, kghostview, etc, but
              perhaps not one called gv.

       $ps_previewer_landscape ["start gv -swap %O  %S",  but  "start  %O  %S"
       under MS-WINDOWS]
              The command to invoke a ps-previewer in landscape mode.

       $ps_update_command [""]
              When the postscript previewer is set to be updated by running  a
              command,  this  is the command that is run.  See the information
              for the variable $ps_update_method.

       $ps_update_method [0 under UNIX, 1 under MS-Windows]
              How the postscript viewer updates its display when the  ps  file
              has    changed.    See   the   information   on   the   variable
              $dvi_update_method for the codes.  (Note that information  needs
              be changed slightly so that for the value 4, to run a command to
              do  the  update,  the  command  is  specified  by  the  variable
              $ps_update_command,  and  for  the value 2, to specify update by
              signal, the signal is specified by $ps_update_signal.)


       $ps_update_signal [Under UNIX:  SIGHUP,  which  is  a  system-dependent
       value]
              The number of the signal that is sent to the pdf viewer when  it
              is  updated  by  sending a signal -- see $ps_update_method.  The
              default value is the one appropriate for gv on a UNIX system.

       $quote_filenames [1]
              This specifies whether substitutions for placeholders in command
              specifications  (as  in  $pdflatex)  are  surrounded  by  double
              quotes.  If this variable is 1 (or any other value Perl  regards
              as true), then quoting is done.  Otherwise quoting is omitted.

       The  quoting  method  used by latexmk is tested to work correctly under
       UNIX systems (including Linux and Mac OS-X) and under  MS-Windows.   It
       allows  the  use  of  filenames  containing special characters, notably
       spaces.  (But note that many versions of LaTeX and PdfLaTeX cannot cor-
       rectly deal with TeX files whose names contain spaces.  Latexmk's quot-
       ing only ensures that such filenames are correctly treated by the oper-
       ating system in passing arguments to programs.)

       $sleep_time [2]
              The  time to sleep (in seconds) between checking for source file
              changes when running the -pvc option.

       $texfile_search [""]
              This is an obsolete variable,  replaced  by  the  @default_files
              variable.

              For    backward    compatibility,   if   you   choose   to   set



                                16 January 2010                             25





LATEXMK(1L)                                                        LATEXMK(1L)


              $texfile_search, it is a string  of  space-separated  filenames,
              and  then  latexmk replaces @default_files with the filenames in
              $texfile_search to which is added "*.tex".

       $tmpdir [See below for default]
              Directory to store temporary files  that  latexmk  may  generate
              while running.

              The  default  under  MSWindows  (including  cygwin),  is  to set
              $tmpdir to the value of the first of  whichever  of  the  system
              environment  variables  TMPDIR  or TEMP exists, otherwise to the
              current directory.  Under other operating systems  (expected  to
              be  UNIX/Linux, including OS-X), the default is the value of the
              system environment  variable  TMPDIR  if  it  exists,  otherwise
              "/tmp".

       $view ["default"]
              Which  kind  of  file is to be previewed if a previewer is used.
              The possible values are  "default",  "dvi",  "ps",  "pdf".   The
              value of "default" means that the "highest" of the kinds of file
              generated is to be used (among dvi, ps and pdf).


CUSTOM DEPENDENCIES
       In any RC file a set of custom dependencies can be set up to convert  a
       file with one extension to a file with another.  An example use of this
       would be to allow latexmk to convert a .fig file to .eps to be included
       in the .tex file.

       The  old  method  of configuring latexmk was to directly manipulate the
       @cus_dep_list array  that  contains  information  defining  the  custom
       dependencies.   This method still works.  But now there are subroutines
       that allow convenient manipulations  of  the  custom  dependency  list.
       These are

           add_cus_dep( fromextension, toextension, must, subroutine )
           remove_cus_dep( fromextension, toextension )
           show_cus_dep()

       The custom dependency is a list of rules, each of which is specified as
       follow:

       from extension:
              The extension of the file we are converting from  (e.g.  "fig").
              It is specified without a period.

       to extension:
              The extension of the file we are converting to (e.g. "eps").  It
              is specified without a period.

       must:  If non-zero, the file from which we are converting  must  exist,
              if  it doesn't exist latexmk will give an error message and exit
              unless the -f option is specified.  If must is zero and the file
              we are converting from doesn't exist, then no action is taken.

       function:
              The  name  of the subroutine that latexmk should call to perform
              the file conversion.  The first argument to  the  subroutine  is



                                16 January 2010                             26





LATEXMK(1L)                                                        LATEXMK(1L)


              the base name of the file to be converted without any extension.
              The subroutines are declared in the syntax of Perl.   The  func-
              tion  should  return 0 if it was successful and a nonzero number
              if it failed.

       It is invoked whenever latexmk detects that  a  run  of  latex/pdflatex
       needs  to read a file, like a graphics file, whose extension is the to-
       extension of a custom dependency.  Then latexmk examines whether a file
       exists  with  the same name, but with the corresponding from-extension,
       as specified in the custom-dependency rule.  If it does, then  whenever
       the  destination  file  (the  one with the to-extension) is out-of-date
       with respect to the corresponding source file.

       To make the new destination file, the Perl subroutine specified in  the
       rule is invoked, with an argument that is the base name of the files in
       question.  Simple cases just involve a subroutine invoking an  external
       program;  this  can  be  done by following the templates below, even by
       those without knowledge of the Perl programming language.   Of  course,
       experts could do something much more elaborate.

       One  other  item  in  each custom-dependency rule labelled "must" above
       specifies how the rule should be applied when the source file fails  to
       exist.

       A simple and typical example of code in an initialization rcfile is

           add_cus_dep( 'fig', 'eps', 0, 'fig2eps' );
           sub fig2eps {
               system("fig2dev -Leps $_[0].fig $_[0].eps");
           }

       The  first  line  adds  a  custom  dependency that converts a file with
       extension "fig", as created by the xfig  program,  to  an  encapsulated
       postscript  file,  with  extension "eps".  The remaining lines define a
       subroutine that carries out the conversion.  If a rule  for  converting
       "fig"  to  "eps"  files already exists (e.g., from a previously read-in
       initialization file), the latexmk will delete this rule  before  making
       the new one.

       Suppose  latexmk  is  using this rule to convert a file "figure.fig" to
       "figure.eps".  Then it will invoke the fig2eps  subroutine  defined  in
       the  above  code with a single argument "figure", which is the basename
       of each of the files (possibly with a path component).   This  argument
       is  referred to by Perl as $_[0].  In the example above, the subroutine
       uses the Perl command system to invoke the program fig2dev.  The double
       quotes around the string are a Perl idiom that signify that each string
       of the form of a variable name, $_[0] in this case, is  to  be  substi-
       tuted by its value.

       If  the  return  value of the subroutine is non-zero, then latexmk will
       assume an error occurred during the execution of  the  subroutine.   In
       the  above  example, no explicit return value is given, and instead the
       return value is the value returned by the last  (and  only)  statement,
       i.e., the invocation of system, which returns the value 0 on success.

       If  you use filenames with spaces in them, and if your LaTeX system and
       all other relevant software correctly handle such filenames,  then  you
       could  put  single  quotes around filenames in the command line that is



                                16 January 2010                             27





LATEXMK(1L)                                                        LATEXMK(1L)


       executed:

           add_cus_dep( 'fig', 'eps', 0, 'fig2eps' );
           sub fig2eps {
               system("fig2dev -Lps '$_[0].fig' '$_[0].eps'");
           }

       This causes the invocation of the fig2dev program to have quoted  file-
       names; it should therefore work with filenames containing spaces.  How-
       ever, not all software deals  correctly  with  filenames  that  contain
       spaces.   Moreover,  the  rules,  if  any,  for  quoting filenames vary
       between operating systems, command  shells  and  individual  pieces  of
       software, so this code may not always work.

       If  you use pdflatex instead of latex, then you will probably prefer to
       convert your graphics files to pdf format,  in  which  case  you  would
       replace the above code in an initialization file by

           add_cus_dep( 'fig', 'pdf, 0, 'fig2pdf' );
           sub fig2pdf {
               system("fig2dev -Lpdf $_[0].fig $_[0].pdf");
           }

       If  you  have some general custom dependencies defined in the system or
       user initialization file, you may find that for  a  particular  project
       they  are  undesirable.  So you might want to delete the unneeded ones.
       For example, you remove any "fig" to "eps" rule by the line

           remove_cus_dep( 'fig', 'eps' );

       If you have complicated sets of custom dependencies, you  may  want  to
       get  a  listing  of the custom dependencies.  This is done by using the
       line

           show_cus_dep();

       in an initialization file.

       Another example of  a  custom  dependency  overcomes  a  limitation  of
       latexmk  concerning index files.  The only index-file conversion built-
       in to latexmk is from an ".idx" file written on one run of latex/pdfla-
       tex  to an ".ind" file to be read in on a subsequent run.  But with the
       index.sty package you can create extra indexes with extensions that you
       configure.  Latexmk does not know how to deduce the extensions from the
       information it has.  But you can easily write a custom dependency.  For
       example   if   your   latex   file  uses  the  command  "\newindex{spe-
       cial}{ndx}{nnd}{Special index}" you will need to convert files with the
       extension  .ndx  to  .nnd.  The following lines in an initialization RC
       file will cause this to happen:

           add_cus_dep('ndx', 'nnd', 0, 'makendx2nnd');
           sub makendx2nnd {
               system("makeindex -o $_[0].nnd $_[0].ndx");
           }

       (You will need to modify this code if you use filenames with spaces  in
       them, to provide correct quoting of the filenames.)




                                16 January 2010                             28





LATEXMK(1L)                                                        LATEXMK(1L)


       Those  of  you with experience with Makefiles, will undoubtedly be con-
       cerned that the .ndx file is written during a run of latex/pdflatex and
       is  always  later than the .nnd last read in.  Thus the .nnd appears to
       be perpetually out-of-date.  This situation, of circular  dependencies,
       is endemic to latex, and latexmk in its current version works correctly
       with circular dependencies.  It examines the contents of the files  (by
       use  of an md5 checksum), and only does a remake when the file contents
       have actually changed.

       Of course if you choose to write random data to the .nnd (or  and  .aux
       file,  etc) that changes on each new run, then you will have a problem.
       For real experts: See the %hash_cal_ignore_pattern if you have to  deal
       with such problems.

       Glossaries can be dealt with similarly.


OLD METHOD OF DEFINING CUSTOM DEPENDENCIES
       In  previous  versions  of  latexmk, the only method of defining custom
       dependencies was to directly manipulate the table of  custom  dependen-
       cies.  This is contained in the @cus_dep_list array.  It is an array of
       strings, and each string in the array has four items in it, each  sepa-
       rated  by  a  space,  the  from-extension, the to-extension, the "must"
       item, and the name of the subroutine for the custom dependency.   These
       were all defined above.

       An example of the old method of defining custom dependencies is as fol-
       lows. It is the code in an RC file to ensure  automatic  conversion  of
       .fig files to .eps files:

           push @cus_dep_list, "fig eps 0 fig2eps";
           sub fig2eps {
               system("fig2dev -Lps $_[0].fig $_[0].eps");
           }

       This  method  still  works, and is equivalent to the earlier code using
       the add_cus_dep subroutine, except that it doesn't delete any  previous
       custom-dependency  for  the  same  conversion.   So  the  new method is
       preferable.


SEE ALSO
       latex(1), bibtex(1).

BUGS
       Sometimes a viewer (gv) tries to read an updated .ps or .pdf file after
       its  creation is started but before the file is complete.  Work around:
       manually refresh (or reopen) display.  Or use one of the other preview-
       ers and update methods.

       (The  following  isn't  really a bug, but concerns features of preview-
       ers.)  Preview continuous mode only works perfectly with  certain  pre-
       viewers:  Xdvi  on  UNIX/LINUX  works  for dvi files.  Gv on UNIX/LINUX
       works for both postscript and pdf.  Ghostview  on  UNIX/LINUX  needs  a
       manual  update (reopen); it views postscript and pdf.  Gsview under MS-
       Windows works for both postscript and pdf, but only reads  the  updated
       file  when  its  screen  is refreshed.  Acroread under UNIX/LINUX views
       pdf, but the file needs to be closed and reopened to  view  an  updated



                                16 January 2010                             29





LATEXMK(1L)                                                        LATEXMK(1L)


       version.   Under  MS-Windows,  acroread locks its input file and so the
       pdf file cannot be updated.  (Remedy: configure latexmk to  use  gsview
       instead.)

THANKS TO
       Authors  of  previous  versions.   Many  users with their feedback, and
       especially David Coppit (username david at node  coppit.org)  who  made
       many  useful  suggestions  that  contributed  to version 3, and Herbert
       Schulz.  (Please note that the e-mail  addresses  are  not  written  in
       their standard form to avoid being harvested by worms and viruses.)

AUTHOR
       Current   version,   by   John   Collins   (username  collins  at  node
       phys.psu.edu).  (Version 4.13a).

       Released version can be obtained  from  CTAN:  <http://www.tug.org/tex-
       archive/support/latexmk/>,    and    from    the    author's    website
       <http://www.phys.psu.edu/~collins/software/latexmk/>.
       Modifications and enhancements by Evan McLean (Version 2.0)
       Original script called "go" by David J. Musliner (RCS Version 3.2)









































                                16 January 2010                             30