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convert.sh
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convert.sh
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#!/bin/sh
lock_dir=/var/tmp/mylock
pid_file=/var/tmp/mylock/pid
pdf_folder='/opt/data/pdf/*.pdf'
toc_path='/opt/data/toc'
thumbnail_path='/opt/data/thumbnail'
if (mkdir ${lock_dir}) 2>/dev/null; then
echo $$ >${pid_file}
echo `date`':run'
trap 'rm -rf "$lock_dir"; exit $?' INT TERM EXIT
# start the program
for _pdf_ in $pdf_folder; do
_toc_csv_=$toc_path'/'"$(basename ${_pdf_} .pdf)"'.csv'
if [ -f "${_toc_csv_}" ]; then
echo "${_toc_csv_} exists."
else
mutool show ${_pdf_} outline > ${_toc_csv_}
fi
_thumbnail_png_=$thumbnail_path'/'"$(basename ${_pdf_} .pdf)"'.png'
if [ -f "${_thumbnail_png_}" ]; then
echo "${_thumbnail_png_} exists."
else
mutool draw -o ${_thumbnail_png_} -F png ${_pdf_} 1-1
fi
done
# clean up
rm -rf "${lock_dir}"
trap - INT TERM EXIT
else
echo "Lock Exists: ${lock_dir} owned by $(cat ${pid_file})"
fi