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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
duplex [-q QUALITY] [FILE...]
duplex -h
EOF
}
help() {
cat <<-'EOF'
Options:
-q QUALITY choose the print quality, either:
low, medium (default) or high.
-h, --help show this message
Examples:
Print the given PostScript file with default quality:
duplex f1.ps
Print multiple PDF files with high quality:
duplex -q high *.pdf
Print the file from STDIN:
cat f2.ps | duplex
EOF
}
mkdtemp() {
name="$(echo 'mkstemp(template)' |
m4 -D template="${TMPDIR:-/tmp}/m4-tmpname.")"
rm -f "$name"
mkdir "$name"
echo "$name"
}
n_pages() {
pdftk "$1" dump_data | awk '/NumberOfPages/ { print $2 }'
}
main() {
if file -b in-tmp | grep -q PostScript; then
ps2pdf in-tmp in.pdf
elif file -b in-tmp | grep -q PDF; then
cp in-tmp in.pdf
else
printf "Don't know how to duplex print input file:\n" >&2
file in-tmp >&2
printf '\nGive me either a PostScript or PDF file instead.\n' >&2
exit 2
fi
FULL="$(n_pages in.pdf)"
if [ "$FULL" = '1' ]; then
lp in.pdf
return
fi
pdftk A=in.pdf cat Aodd output odd.pdf
pdftk A=in.pdf cat Aeven output even.pdf
NODD="$(n_pages odd.pdf)"
NEVEN="$(n_pages even.pdf)"
printf 'Printing odd pages...\n' >&2
lp odd.pdf
printf 'Has printing finished yet? Once it does, reload the pages and hit it enter to continue. '
read -r < /dev/tty
lp even.pdf
if [ "$NODD" != "$NEVEN" ]; then
printf '\n' | lp
fi
}
for flag in "$@"; do
case "$flag" in
--)
break
;;
--help)
usage
help
exit
;;
*)
;;
esac
done
lpoptions -o PrintQuality=standard
while getopts 'hq:' flag; do
case "$flag" in
q)
case "$OPTARG" in
low)
lpoptions -o PrintQuality=draft
;;
medium)
lpoptions -o PrintQuality=standard
;;
high)
lpoptions -o PrintQuality=high
;;
*)
echo "Bad QUALITY option: \"$OPTARG\"" >&2
exit 2
;;
esac
;;
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
OLDDIR="$PWD"
cd "$(mkdtemp)" #FIXME
if [ -z "${1:-}" ]; then
cat - > in-tmp
main
else
for f in "$@"; do
# ABS="$(echo "$(cd "$(dirname "$f")"; pwd -P)/$(basename "$f")")"
# echo "$ABS"
cp "$OLDDIR/$(basename "$f")" in-tmp
main
done
fi
|
