Re-generating reference file for Bibtex
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#!/bin/bash | |
## this script parses *.aux files (LaTeX/bibtex temporary files) in | |
## the current directory, extracts cited references and re-generates | |
## a bibtex-file | |
RESULTFILE=newreferences.bib | |
handle_outputfile_found() | |
{ | |
echo | |
echo "ERROR: I already found file \"${RESULTFILE}\". To prevent data loss, I quit now." | |
echo | |
exit 1 | |
} | |
handle_no_auxfile_found() | |
{ | |
echo | |
echo "ERROR: I found no file with an \".aux\" extension in the current folder." | |
echo | |
exit 2 | |
} | |
handle_no_bibtexfile_found() | |
{ | |
echo "WARNING: I found no bibtex-file \"${1}\". Continuing ...." | |
} | |
[ -f "${RESULTFILE}" ] && handle_outputfile_found | |
touch "${RESULTFILE}" | |
#echo "Creating new output reference file: ${RESULTFILE}" | |
numaux=`ls -l *aux | wc -l` | |
[ ${numaux} -eq 0 ] && handle_no_auxfile_found | |
referredpapers=`grep citation *.aux | sed 's/\\\\citation{//' | sed 's/}//'| sort | uniq` | |
for currentref in ${referredpapers}; do | |
#echo "do: ${currentref}"; | |
nextfile="${HOME}/archive/library/${currentref}.bib" | |
if [ -f "${nextfile}" ]; then | |
cat "${nextfile}" >> "${RESULTFILE}" | |
else | |
handle_no_bibtexfile_found "${nextfile}" | |
fi | |
done | |
echo "successfully finished writing: ${RESULTFILE}" | |
#end |
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