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#!/bin/bash
##
## This is file `bibexport.sh',
## generated with the docstrip utility.
##
## The original source files were:
##
## bibexport.dtx (with options: `script')
##
## (c) 2019/03/30 Nicolas Markey <bibexport at markey dot fr>
##
## This work may be distributed and/or modified under the conditions of
## the LaTeX Project Public License, either version 1.3 of this license
## or (at your option) any later version. The latest version of this
## license is in
##
## http://www.latex-project.org/lppl.txt
##
## and version 1.3 or later is part of all distributions of LaTeX version
## 2005/12/01 or later.
##
## This work has the LPPL maintenance status `maintained'.
## The Current Maintainer of this work is Nicolas Markey.
##
## \CharacterTable
## {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
## Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
## Digits \0\1\2\3\4\5\6\7\8\9
## Exclamation \! Double quote \" Hash (number) \#
## Dollar \$ Percent \% Ampersand \&
## Acute accent \' Left paren \( Right paren \)
## Asterisk \* Plus \+ Comma \,
## Minus \- Point \. Solidus \/
## Colon \: Semicolon \; Less than \<
## Equals \= Greater than \> Question mark \?
## Commercial at \@ Left bracket \[ Backslash \\
## Right bracket \] Circumflex \^ Underscore \_
## Grave accent \` Left brace \{ Vertical bar \|
## Right brace \} Tilde \~}
##
function checkversion()
{
kpsewhich expcites.bst > /dev/null ||
echo "-----------
--Warning-- file expcites.bst not found.
-----------"
grep -q $VDATE `kpsewhich expkeys.bst` ||
echo "-----------
--Warning-- the version of the .bst files does not match with that of this script.
-----------"
}
function usage()
{
echo "bibexport: a tool to extract BibTeX entries out of .bib files.
usage: `basename $0` [-h|v|n|c|a|d|s|t] [-b|e|es|ec|o|r file] file...
Basic options:
--------------
-a, --all export the entire .bib files
-o bib, --output-file bib write output to file [default: bibexport.bib]
-ns, --nosave overwrite output file without keeping a copy
-p, --preamble write a preamble at beginning of output
-t, --terse operate silently
-h, --help print this message and exit
-v, --version print version number and exit
Advanced options:
-----------------
-b bst, --bst bst specifies the .bst style file [default: export.bst]
-c, --crossref preserve crossref field [default: no]
-n, --no-crossref remove crossref'd entries [default: no]
-e bib, --extra bib extra .bib file to be used (crossrefs and strings)
-es bib, --extras bib extra .bib file to be used (for strings)
-ec bib, --extrac bib extra .bib file to be used (for crossrefs)
-r bib, --replace bib replace .bib file(s) in the .aux file
-d, --debug create intermediate files but don't run BibTeX";
exit 0;
}
function opttoolate()
{
if [ ! -z "${TOOLATE}" ]; then
echo "No options are allowed after the input files";
exit 0;
fi
}
## Version number
VERSION="3.03";
## Release date
VDATE="2019/03/30";
# ALL is a flag set to 1 when '-a' is given
ALL="";
# FILE will be the main input file(s) (.aux or .bib, depending on '-a')
FILE="";
# EXT is the extension of the input file(s) (.aux, or .bib if '-a')
EXT=".aux";
# EXTRA and EXTRABIB are two copies of the extra files ('-e'), used to
# include crossref'd entries and @string's
EXTRA="";
EXTRABIB="";
# REPLACEBIB ('-r') is set to 1 when the \bibdata of the .aux input file
# must be ignores (then '-e' must be used)
REPLACEBIB="";
# NEWBIB will contain the argument given to -r
NEWBIB="";
# BST is the .bst file to be used (default to export.bst)
BST="export";
# TERSE will be set to '-terse' if '-t' is given
TERSE="";
# NOSAVE if no need to save file before overwriting it
NOSAVE=""
# BANNER is used to turn on or off the preamble informations in the output
BANNER="";
# CREF is the number of citations of crossrefs from which the crossref'd entry
# must be included.
CREF="0";
# SPACE will be either ' ' or ','
SPACE="";
# TOOLATE is used to prevent extra options after the main file
TOOLATE="";
# DEBUG is used to create files but not run BibTeX.
DEBUG="";
ARGS=$@;
if [ $# -eq 0 ]; then
usage;
fi
checkversion;
while [ $# != 0 ]; do
case $1 in
-a|--all)
## - export all entries in the input file(s)
## - the input files are BibTeX files
opttoolate;
EXT=""; SPACE=""; ALL="a";
shift ;;
-b|--bst)
## - specifies the .bst file to use (default to 'export.bst')
opttoolate;
if [ "`dirname $2`" = "." ]; then
DOLLARTWO="`basename $2 .bst`";
else
DOLLARTWO="`dirname $2`/`basename $2 .bst`";
fi
BST="${DOLLARTWO}";
shift 2;;
-d|--debug)
## - debug mode: we create files but do not run bibtex
## - instead, we print what we would have done...
opttoolate;
DEBUG="a";
shift ;;
-e|--extra)
## - extra input files (containing crossrefs or strings)
## - they will be included twice: once before the main file(s)
## (for @string's), once after (for crossrefs). We fool BibTeX
## by naming the first one 'file.bib' and the second one
## 'file.bib.bib', to avoid complaints.
opttoolate;
if [ "`dirname $2`" = "." ]; then
DOLLARTWO="`basename $2 .bib`";
else
DOLLARTWO="`dirname $2`/`basename $2 .bib`";
fi
EXTRA="${EXTRA}${DOLLARTWO},";
EXTRABIB="${EXTRABIB},${DOLLARTWO}.bib";
shift 2;;
-es|--extras)
## - extra input files (containing strings)
## - will be included *before* the main files (hence not suitable
## for crossrefs)
opttoolate;
if [ "`dirname $2`" = "." ]; then
DOLLARTWO="`basename $2 .bib`";
else
DOLLARTWO="`dirname $2`/`basename $2 .bib`";
fi
EXTRA="${EXTRA}${DOLLARTWO},";
shift 2;;
-ec|--extrac)
## - extra input files (containing crossrefs)
## - will be included only *after* the main files (hence not
## suitable for @string's)
opttoolate;
if [ "`dirname $2`" = "." ]; then
DOLLARTWO="`basename $2 .bib`";
else
DOLLARTWO="`dirname $2`/`basename $2 .bib`";
fi
EXTRABIB="${EXTRABIB},${DOLLARTWO}.bib";
shift 2;;
-o|--output-file)
## - name of the output file
## - we force it to end with '.bib'
opttoolate;
if [ "`dirname $2`" = "." ]; then
DOLLARTWO="`basename $2 .bib`";
else
DOLLARTWO="`dirname $2`/`basename $2 .bib`";
fi
OUTPUT="${DOLLARTWO}.bib";
shift 2 ;;
-c|--crossref|--crossrefs|--with-crossref|--with-crossrefs)
## - whether or not to preserve 'crossref' keys.
## - by default, they are removed, but crossref'd entries are
## included.
## - crossrefs are *always* expanded anyway.
opttoolate;
CREF="1" ;
shift ;;
-n|--no-crossref|--without-crossref|--no-crossrefs|--without-crossrefs)
## - to remove crossref'd entries (hence remove 'crossref' keys).
opttoolate;
CREF="20000" ;
shift ;;
-r|--replace)
## - to replace the file(s) given in \bibdata in the .aux file with
## (a) new one(s).
opttoolate;
REPLACEBIB="a";
if [ "`dirname $2`" = "." ]; then
DOLLARTWO="`basename $2 .bib`";
else
DOLLARTWO="`dirname $2`/`basename $2 .bib`";
fi
NEWBIB="${NEWBIB}${DOLLARTWO}.bib,";
shift 2;;
-v|--version)
echo "This is bibexport v${VERSION} (released ${VDATE})"; exit 0;;
-ns|--nosave|--no-save)
NOSAVE="a";
shift ;;
-p|--preamble|--with-preamble)
BANNER="a";
shift ;;
-t|--terse|--silent)
TERSE=" -terse ";
shift ;;
-*)
usage;;
*)
## - list of input files
## - we ensure that no extra option is given later...
TOOLATE="a";
if [ "`dirname $1`" = "." ]; then
DOLLARONE="`basename $1 ${EXT}`";
else
DOLLARONE="`dirname $1`/`basename $1 ${EXT}`";
fi
FILE="${FILE}${SPACE}${DOLLARONE}${EXT}";
if [ -z "${ALL}" ]; then
SPACE=" ";
else
SPACE=",";
fi;
shift;;
esac
done
FINALFILE=${OUTPUT};
if [ ! "${FINALFILE}" ]; then
FINALFILE="bibexport.bib";
fi
TMPFILE="bibexp.`date +%s`";
if [ -z "${EXT}" ]; then ## we export all entries
if [ -z "${EXTRA}" ]; then ## we have no extra files
cat > ${TMPFILE}.aux <<EOF
\citation{*}
\bibdata{${FILE}}
\bibstyle{${BST}}
EOF
else ## we have extra files (e.g. for crossrefs) but want all entries from ${FILE}
## we first extract the keys to be used:
cat > ${TMPFILE}.aux <<EOF
\citation{*}
\bibdata{${FILE}}
\bibstyle{expkeys}
EOF
## This run may generate errors. We redirect the output:
bibtex -min-crossrefs=${CREF} -terse ${TMPFILE} >/dev/null 2>&1;
mv -f ${TMPFILE}.bbl ${TMPFILE}.aux;
## and then prepare the .aux file for exporting:
cat >> ${TMPFILE}.aux <<EOF
\bibdata{${EXTRA}${FILE}${EXTRABIB}}
\bibstyle{${BST}}
EOF
fi
else ## we only export entries listed in the given .aux file:
if [ -z "${REPLACEBIB}" ]; then
cat ${FILE} | sed -e "s/bibstyle{.*}/bibstyle{${BST}}/" > ${TMPFILE}.aux;
else
cat ${FILE} | sed -e "s/bibstyle{.*}/bibstyle{${BST}}/" \
-e "s|bibdata{.*}|bibdata{${EXTRA}${NEWBIB%,}${EXTRABIB}}|" > ${TMPFILE}.aux;
fi
fi
if [ -z "$DEBUG" ]; then
bibtex -min-crossrefs=${CREF} ${TERSE} ${TMPFILE};
if [ -e ${FINALFILE} ] && [ -z "${NOSAVE}" ]; then
mv ${FINALFILE} ${FINALFILE}-save-`date "+%Y.%m.%d:%H.%M.%S"`
fi
echo "" > ${FINALFILE}
else
echo "bibtex -min-crossrefs=${CREF} ${TERSE} ${TMPFILE};"
if [ -e ${FINALFILE} ] && [ -z "${NOSAVE}" ]; then
echo "mv ${FINALFILE} ${FINALFILE}-save-`date \"+%Y.%m.%d:%H.%M.%S\"`"
fi
echo "echo \"\" > ${FINALFILE}"
fi
if [ ! -z "${BANNER}" ]; then
## list of cited entries
if [ -z "$DEBUG" ]; then
sed -i -e "s/\\\bibstyle{.*}/\\\bibstyle{expcites}/" ${TMPFILE}.aux
mv ${TMPFILE}.aux ${TMPFILE}-cites.aux
bibtex -terse -min-crossrefs=${CREF} ${TMPFILE}-cites
echo -ne "@comment{generated using bibexport:\n" >> ${FINALFILE};
echo -ne " creation date:\t`date +\"%c\"`\n" >> ${FINALFILE};
echo -ne " command:\t\t`basename $0` ${ARGS}\n" >> ${FINALFILE};
if [ -z "${EXT}" ]; then
echo -ne " source files:\t\t${FILETAB}\t\t\t${EXTRABIBTAB}\n" >> ${FINALFILE}; \
fi
cat ${TMPFILE}-cites.bbl >> ${FINALFILE};
#echo -ne " bibexport-version:\tv${VERSION} (${VDATE})\n" >> ${FINALFILE};
#echo -ne " bibexport-maintainer:\tNicolas Markey <bibexport(at)markey.fr>\n" >> ${FINALFILE};
sed -i -e "s/}/)/g" ${FINALFILE};
echo -n -e "}\n\n\n" >> ${FINALFILE};
rm -f ${TMPFILE}-cites.bbl ${TMPFILE}-cites.aux ${TMPFILE}-cites.blg
fi
fi
if [ ${CREF} -ne 1 ]; then
if [ -z "$DEBUG" ]; then
egrep -iv '^ *crossref *= *[^,]+,?$' \
${TMPFILE}.bbl >> ${FINALFILE};
else
echo "egrep -iv '^ *crossref *= *[^,]+,?$' ${TMPFILE}.bbl >> ${FINALFILE};"
fi
else
if [ -z "$DEBUG" ]; then
cat ${TMPFILE}.bbl >> ${FINALFILE};
else
echo "cat ${TMPFILE}.bbl >> ${FINALFILE};"
fi
fi
if [ -z "$DEBUG" ]; then
rm -f ${TMPFILE}.bbl ${TMPFILE}.aux ${TMPFILE}.blg;
else
echo "rm -f ${TMPFILE}.bbl ${TMPFILE}.aux ${TMPFILE}.blg";
fi
##
##
## End of file `bibexport.sh'.
|