53 lines
1.2 KiB
Bash
53 lines
1.2 KiB
Bash
#!/bin/sh
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# env
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# Written in 2019 by Lucas
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# CC0 1.0 Universal/Public domain - No rights reserved
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#
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to the
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# public domain worldwide. This software is distributed without any
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# warranty. You should have received a copy of the CC0 Public Domain
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# Dedication along with this software. If not, see
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# <http://creativecommons.org/publicdomain/zero/1.0/>.
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usage() {
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cat - <<. >&2
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Usage:
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${0##*/}
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${0##*/} -id id
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${0##*/} -name name
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${0##*/} -window
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.
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exit 1
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}
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save_screenshot() {
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xwdtopnm | pnmtopng >~/media/ss/"$(date +%Y%m%d-%H%M%S)".png
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}
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case $# in
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0) xwd -silent -root | save_screenshot
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;;
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1) if [ "$1" != "-window" ]; then
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printf "%s: Unknown option \"%s\".\n" \
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"${0##*/}" "$1" >&2
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exit 1
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fi
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xwd -silent | save_screenshot
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;;
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2) if [ "$1" != "-id" ] && [ "$1" != "-name" ]; then
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printf "%s: Unknown option \"%s\".\n" \
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"${0##*/}" "$1" >&2
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exit 1
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fi
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if [ -z "$2" ]; then
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printf "%s: %s expects a non-empty parameter.\n" \
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"${0##*/}" "$1" >&2
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exit 1
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fi
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xwd -silent "$1" "$2" | save_screenshot
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;;
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*) usage
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;;
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esac
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