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|
#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
print [-d] [-q QUALITY] [FILE...]
print -h
EOF
}
help() {
cat <<-'EOF'
Options:
-d print duplex/double-sided
-q QUALITY choose the print quality, either:
low, medium (default) or high.
-h, --help show this message
FILE path to file to be printed
Print FILE using CUPS using lp(1).
Examples:
Print the given PostScript file with default quality:
$ print f1.ps
Print multiple PDF files with high quality:
$ print -dq high *.pdf
Print the file from STDIN, double-sided:
$ print -d < f2.ps
Print multiple source code files:
$ print src/*.{c,h}
EOF
}
n_pages() {
qpdf "$1" --show-npages
}
main() {
if file -b "$FILE" | grep -q PostScript; then
ps2pdf "$FILE" "$NEWDIR"/in.pdf
elif file -b "$FILE" | grep -q PDF; then
cp "$FILE" "$NEWDIR"/in.pdf
else
enscript -o- "$FILE" | ps2pdf - "$NEWDIR"/in.pdf
fi
cd "$NEWDIR"
if [ -z "$DUPLEX" ]; then
lp in.pdf
cd - > /dev/null
return
fi
if [ "$(n_pages in.pdf)" = '1' ]; then
lp in.pdf
return
fi
qpdf in.pdf --pages . 1-z:odd -- odd.pdf
qpdf in.pdf --pages . 1-z:even -- 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
cd - > /dev/null
}
for flag in "$@"; do
case "$flag" in
(--)
break
;;
(--help)
usage
help
exit
;;
(*)
;;
esac
done
QUALITY_SET=false
DUPLEX=
while getopts 'dq:h' flag; do
case "$flag" in
(d)
DUPLEX=1
;;
(q)
QUALITY_SET=true
case "$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 $((OPTIND - 1))
if [ "$QUALITY_SET" = false ]; then
lpoptions -o PrintQuality=standard
fi
NEWDIR="$(mkdtemp)"
trap 'rm -rf "$NEWDIR"' EXIT
if [ -z "${1:-}" ]; then
FILE="$NEWDIR"/STDIN
cat - > "$FILE"
main
else
for f in "$@"; do
FILE="$f"
main
done
fi
|
