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|
#!/bin/bash
<<'LATEX'
= ltxfileinfo - print version information for a LaTeX file
== Synopsis
ltxfileinfo [options] filename
== Options
Options:
-h, --help print this help
-d, --date print file's date only
-v, --version print file's version only
-i, --info print file's description text only
-l, --location print file's full path only (same output as kpsewhich)
-f, --flat output as 1 line with 4 tab-separated file, date, version and info fields
-s, --star mark mal-formatted data with a star
-c, --color mark mal-formatted data with red color (ANSI coloring)
== Description
\B{ltxfileinfo} displays version information for LaTeX files. If no path
information is given, the file is searched using kpsewhich. As an extra,
for developers, the script will (use the |--star| or |--color| options)
check the valididity of the |\Provides...| statement in the files.
The script uses code from Uwe Lück's |readprov.sty|.
Without an option, the output will be of the form:
$ ltxfileinfo ctable.sty
name: ctable.sty
date: 2012/08/23
vers: v1.24
info: Easy, key=value directed, option-rich, typesetting of floats
loca: /usr/local/texlive/2012/../texmf-local/tex/latex/ctable/ctable.sty
Missing information is represented by |--|:
$ ltxfileinfo yhmath.sty
name: yhmath.sty
date: --
vers: --
info: --
loca: /usr/local/texlive/2012/texmf-dist/tex/latex/yhmath/yhmath.sty
\B{ltxfileinfo} tries to detect (and report) mal-formatted dates and versions;
use the |--star| option to mark such fields with a star, of use the |--color|
option to color invalid fields red, if you work in a terminal with ANSI-coloring
capabilities.
These options are useful for developers
who want to check the correctness of their |\Provides...| statements.
For example:
$ ltxfileinfo -s arfonts.sty
file: arfonts.sty (ARfonts.sty*)
date: 2006/01/01
vers: --*
info: Part of the Arabi package
loca: /usr/local/texlive/2012/texmf-dist/tex/latex/arabi/arfonts.sty
We see here, that the |\ProvidesPackage| statement has an incorrect first
argument and has no version information.
== Other output formats
With the |--date| option, only the file's date will be shown, unlabeled.
The |--version|, |--location|, |--info| options are treated analogously.
$ ltxfileinfo -v chronology.sty
v1.0
The |--flat| option prints the fields (except loca:, the last field) on one
line, unlabeled and tab-separated:
$ ltxfileinfo --star --flat chronology.sty
chronology.sty 2010/6/12* v1.0 Horizontal timeline
The date is starred, because its format is not yyyy/mm/dd (and the |--star|
option is given.)
== Bugs
On my system, I have a total of 8699 kpsewhich-detectable files that contain a |\Provides...| statement.
I ran them all through |ltxfileinfo| and made the following summary of detected errors:
8695 Total \Provides... containing files tested
660 \Provides... could not be interpreted; reason:
160 Argument of \Provides... not equal to file's name
8 Latex3 package (not handled yet)
480 Unidentified problem with \ProvidesPackage statement
12 \Provides... used in file without a ... extension
8035 Files could be evaluated
482 had no date
95 had a mal-formatted date
2666 had no version
357 had a mal-formatted version
765 had a \Provides... first argument different from the filename
The .dtx files have more problems than other files:
1345 .dtx files:
320 \Provides... could not be interpreted; reason:
81 Argument of \Provides... not equal to...
6 Latex3 package (not handled yet)
233 Unidentified problem with \ProvidesPackage statement
1025 Files could be evaluated
49 had no date
15 had a mal-formatted date
99 had no version
52 had a mal-formatted version
468 had a \Provides... first argument different from the filename
LATEX
VERSION=2.00
MYNAME=`basename $0`
# print error message, remove temporary files, and exit
function die {
echo "$arg `mark error:` $*"
exit 1
}
function help {
cat <<-EOF
This is ltxfileinfo version $VERSION
ltxfileinfo [options] filename
Options:
-h, --help print this help
-d, --date print file's date only
-v, --version print file's version only
-i, --info print file's description text only
-l, --location print file's full path only (same output as kpsewhich)
-f, --flat output as 1 line with 4 tab-separated file, date, version and info fields
-s, --star mark improvements with respect to nicefilelist.sty with a star
-c, --color mark improvements with respect to nicefilelist.sty with red color
-D, --debug don't remove temporary files
EOF
}
# remove leading and trailing whitespace from a string
function trim {
local var="$*"
var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace
var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace
echo -n "$var"
}
# mark a string by appending a * (--mark star)
function mark {
echo "$mark1$*$mark2"
}
# special treatment for .mbs and .bst files:
function dombsbst {
# look at the first \ProvidesFile only:
out="File: "`grep '\\ProvidesFile{' $loca |head -1 |sed 's/^[ %]*\\\\ProvidesFile{//;s/}\[/ /;s/\]$//'`
}
# unpack the fields
function extract {
shift # remove File:
file=$1
shift # remove filename
if [ "$1" = "" ]; then
date=--; vers=--; info=--; return
elif [[ "$1" =~ ^[0-9]+/[0-9]+/[0-9]+ ]]; then
date=$1
shift
else
date="--"
fi
if [ "$1" = "" ]; then
vers=--; info=--; return
elif [[ "$1" =~ ^v?[[:digit:]][.[:digit:]]+[a-z]* ]]; then
vers=$1
shift
info="${*:---}"
return
else
fixed=
# sometimes the version is of the form v.1.3 or vers:1.3 or such:
for i in version ver. ver: ver v. V v; do
if [[ $1 =~ $i[[:digit:]][.[:digit:]]*[a-z]* ]]; then
vers=$1
shift
fixed=1
break
fi
done
if [ ! $fixed ]; then
# sometimes the version is reported as "v 1.3" or "vers: 1.3" or such:
for i in version ver: ver v. V v; do
if [ $1 = $i ]; then
if [[ "$2" =~ [[:digit:]][.[:digit:]]+[a-z]* ]]; then
vers="$1 $2"
shift
shift
fixed=1
break
fi
fi
done
fi
info="${*:---}"
if [ ! $fixed ]; then
vers=--
fi
fi
}
# display the results
function display {
# file should be equal to arg (the argument)
test $file != $arg && file="$arg (`mark $file`)"
# to be correct, date must be of the form yyyy/mm/dd
if [[ ! "$date" =~ ^[[:digit:]]{4}/[[:digit:]]{2}/[[:digit:]]{2}$ ]]; then
date=`mark $date`
else
# also, the number must be valid:
if [ "$( date -d "$date" +%arg 2>&1 | grep invalid )" != "" ] ; then
date=`mark $date`
fi
fi
# version should be 1.2 or 1.2.3, maybe prefixed with v and suffixed with zero or more lower case letters
if [[ ! "$vers" =~ ^v?[[:digit:]]+.[[:digit:]]+(.[[:digit:]]+)?[[:lower:]]*$ ]]; then vers=`mark $vers`; fi
if [ ! "$key" ]; then
if [ $flat ]; then
echo -e "$file\t$date\t$vers\t$info"
else
cat <<-EOF
file: $file
date: $date
vers: $vers
info: $info
loca: $loca
EOF
fi
else
eval "echo \$$key"
fi
}
if ! options=$(getopt -o hdvlifcsDI \
-l help,date,version,location,info,flat,star,color,debug -- "$@"); then exit 1; fi
eval set -- "$options"
while [ $# -gt 0 ]; do
case $1 in
-h|--help) help; exit 0;;
-d|--date) key=date;;
-v|--version) key=vers;;
-i|--info) key=info;;
-l|--location) key=loca;;
-f|--flat) flat=1;;
-s|--star) mark1=''; mark2='*';;
-c|--color) mark1='[1;31m'; mark2='[0m';;
-D|--debug) debug=1;;
-I) instscript $MYNAME; exit 0;; # not for general use
(--) shift; break;;
(*) break;;
esac
shift
done
arg=$1
test "$arg" = "" && help
loca=`kpsewhich "$arg"`
test "$loca" = "" && die not found by kpsewhich
prov=`grep '\\\\Provides' "$loca"`
test "$prov" = "" && die no \\Provides...
test "$prov" = "${prov/ProvidesExplPackage//}" || die 'Latex3 package (not handled yet)'
# the file must contain a \ProvidesXXX statement, where XXX is Class, Package, or File:
for i in Class Package File; do
if [[ "$prov" =~ \\Provides$i[[:space:]]*\{ ]]; then found=1; break; fi
done
test $found || die Found no \\ProvidesClass/Package/File statement
# readprov.sty does not work on .mbs and .bst files: special treatment;
# \ProvideFile statements in them mostly refer to merlin.mbs, or other names
if [[ $arg =~ \.mbs$ || $arg =~ \.bst$ ]]; then dombsbst; fi
DIR=`mktemp -d`
test $debug || trap "rm -rf $DIR" 0 1 2 15
test $debug && echo $DIR
cp "$loca" $DIR
cd $DIR
# The following code is mostly from Uwe Lueck's readprov.sty:
echo '
\makeatletter
\def\GetFileInfo#1{%
\def\filename{#1}%
\def\@tempb##1 ##2 ##3\relax##4\relax{%
\def\filedate{##1}%
\def\fileversion{##2}%
\def\fileinfo{##3}}%
\read@file@info\@tempb{#1}}
\newcommand*{\read@file@info}[2]{%
\expandafter \expandafter \expandafter
#1\csname ver@#2\endcsname \relax? ? \relax\relax}
\newcommand*{\ReadFileInfos}[1]{%
\begingroup
\let\RP@@provfile\@providesfile
\def\@providesfile##1[##2]{\RP@@provfile{##1}[{##2}]\endinput}%
\def\ProvidesClass ##1{\ProvidesFile{##1.\@clsextension}}%
\def\ProvidesPackage##1{\ProvidesFile{##1.\@pkgextension}}%
\@for\@tempa:=#1\do{%
\edef\@tempa{\expandafter\read@no@spaces\@tempa\@nil}%
\input{\@tempa}%
\global\let\@gtempa\@tempa}%
\endgroup
\GetFileInfo\@gtempa%
}
\def\read@no@spaces#1#2\@nil{#1#2}%
\def\NeedsTeXFormat#1{\expandafter\@needsformat}
\ReadFileInfos{'$loca'}
\endinput
' > ltxfileinfo.tex
pdflatex -interaction=batchmode ltxfileinfo.tex >& /dev/null
IFS= # do not remove any whitespace
base=${arg%.*} # strip the extension
shopt -s nocasematch # MS people don't pay attention to case differences in file names...
while read line; do
if [[ "$line" =~ ^File:.$base ]]; then
out="$line"
while [ ${#line} -eq 79 ]; do # gather continuation lines
read line
out="$out$line"
done
fi
done <ltxfileinfo.log
IFS=' ' # back to
shopt -u nocasematch # normal
# if the \Provides statement is not recognized, try to find out why, and die:
if [ "$out" = "" ]; then
read -r provtype provarg <<<`sed -n '/\\Provides\(Class\|Package\|File\)\s*{[^}]*}/s/.*\(Class\|Package\|File\)\s*{\([^}]*\)}.*/\1 \2/p' "$loca"`
if [[ "$provarg" = "" || "$provarg" =~ '\\' ]]; then die Unidentified problem with \\ProvidesPackage statement; fi
case $provtype in
Package)
if [[ ! "$arg" =~ \.(sty|dtx)$ ]]; then
die \\ProvidesPackage used in file without a .sty extension
elif [[ "$provarg" =~ \.sty$ ]]; then
die "Argument of \\ProvidesPackage ($provarg) should not contain .sty extension"
elif [ "$provarg" != "$base" ]; then
die "Argument of \\ProvidesPackage ($provarg) not equal to file's base name ($base)"
else
die Unidentified problem with \\ProvidesPackage statement
fi
;;
Class)
if [[ ! "$arg" =~ \.(cls|dtx)$ ]]; then
die \\ProvidesClass used in file without a .cls extension
elif [[ "$provarg" =~ \.cls$ ]]; then
die "Argument of \\ProvidesClass ($provarg) should not contain .cls extension"
elif [ "$provarg" != "$base" ]; then
die "Argument of \\ProvidesClass ($provarg) not equal to file's base name ($base)"
else
die Unidentified problem with \\ProvidesPackage statement
fi
;;
File)
if [ "$arg" != "$provarg" ]; then
die "Argument of \\ProvidesFile ($provarg) not equal to file's name ($arg)"
else
die Unidentified problem with \\ProvidesPackage statement
fi
;;
*)
die Found \\Provides$provarg statement - cannot handle it
;;
esac
fi
extract $out
display
exit 0
# template for README file:
<<'README'
This is release %VERSION% of the ltxfileinfo script
License: GPL
Short description:
ltxfileinfo is a bash script; it prints information about a latex class,
style and other files to standard output.
The script is based on Uwe Lueck's readprov.sty, so it prints information
only for files that contain a \ProvidesFile, \ProvidesClass or
\ProvidesPackage statement.
The script tries to correct errors in these \Provides... statements and it
has options, useful for developers, to make errors in those statements visible.
Usage example:
$ ltxfileinfo article.cls
name: article.cls
date: 2007/10/19
vers: v1.4h
info: Standard LaTeX document class
loca: /usr/local/texlive/2009/texmf-dist/tex/latex/base/article.cls
major changes of release %VERSION% relative to 1.1
- completely rewritten as a bash script, using code from readprov.sty
- now also can evaluate xelatex oriented files
- can now handle any LaTeX file containing a \Provides... statement
- options for \Provides... statement validation
README
|