113 lines
2.1 KiB
Bash
Executable file
113 lines
2.1 KiB
Bash
Executable file
#!/usr/bin/env zsh
|
||
|
||
###
|
||
: '
|
||
Scans several pages using `scanpage` and combines them into a single PDF file.
|
||
'
|
||
###
|
||
|
||
# change this to your preferred PDF viewer
|
||
_viewer="zathura"
|
||
|
||
###
|
||
|
||
trap _ctrlc INT
|
||
|
||
function _cleanup() {
|
||
# cleanup _tmpdir
|
||
rm -rf $_tmpdir
|
||
}
|
||
function _ctrlc() {
|
||
echo "cancelled by SIGINT/^C"
|
||
_cleanup
|
||
exit 1
|
||
}
|
||
|
||
|
||
|
||
_cmd=""
|
||
_file=""
|
||
_landscape=false
|
||
_silent=false
|
||
_tmpdir=""
|
||
|
||
usage () {
|
||
echo 'Scans several pages using `scanpage` and combines them into a single PDF file.
|
||
|
||
options:
|
||
-h, --help
|
||
prints this message
|
||
-l, --landscape
|
||
rotates the pages 90° left for landscape scans
|
||
-o, --outfile FILE
|
||
writes the scan to FILE instead of using a temporary file
|
||
-r, --rotate
|
||
same as -l
|
||
-s, --silent
|
||
silently write output file, don’t open it
|
||
--viewer CMD
|
||
uses CMD as PDF viewer'
|
||
}
|
||
|
||
###~begin option parsing
|
||
zparseopts -A _OPTS -D -E -- h l o: r --help -outfile: -landscape -rotate -viewer:
|
||
if [ ! -z "$@" ] ; then
|
||
usage
|
||
exit 1
|
||
fi
|
||
|
||
for opt in "${(@k)_OPTS}"; do
|
||
case $opt in
|
||
-h|--help)
|
||
usage
|
||
exit 0
|
||
;;
|
||
-l|-r|--landscape|--rotate)
|
||
_landscape=true
|
||
;;
|
||
-o|--outfile)
|
||
_file="$_OPTS[$opt]"
|
||
;;
|
||
-s|--silent)
|
||
_silent=true
|
||
;;
|
||
--viewer)
|
||
_viewer="$_OPTS[$opt]"
|
||
;;
|
||
esac
|
||
done
|
||
###~end option parsing
|
||
|
||
# setup temporary directory for scans; we deffo need it for the intermediate,
|
||
# single page files this time
|
||
_tmpdir=`mktemp -d`
|
||
|
||
# check file ending if outfile is specified (and add it), else use tmpfile
|
||
if [ ! -z $_file ] ; then
|
||
if [[ ! "$_file" =~ ".*\.pdf" ]] ; then _file="${_file}.pdf"; fi
|
||
else
|
||
_file="${_tmpdir}/$(date +%Y-%m-%d).pdf"
|
||
fi
|
||
|
||
i=1
|
||
done=false
|
||
while ! $done
|
||
do
|
||
echo "Starting scan …"
|
||
scanpage -s$( ( $_landscape ) && print "l")o ${_tmpdir}/$(printf "%0*d" 3 ${i}).png
|
||
echo "Page $i scanned. Insert next page and hit <Enter>. ^D to finish the document."
|
||
let i++
|
||
read
|
||
[ "$?" -eq "1" ] && done=true
|
||
done
|
||
|
||
# concatenate scanned pages
|
||
echo "Concatenating pages …"
|
||
magick "$_tmpdir/*.png" "${_file}"
|
||
pushd $_tmpdir
|
||
ps2pdf -dPDFSETTINGS=/ebook "${_file}"
|
||
popd
|
||
|
||
( $_silent ) || $_viewer "${_file}.pdf" >/dev/null 2>/dev/null
|
||
|
||
_cleanup
|