47 lines
1021 B
Bash
47 lines
1021 B
Bash
#!/bin/sh
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# screenshot
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# Written in 2019-2020 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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{
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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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err()
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{
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printf "%s: %s\n" "${0##*/}" "$*" >&2
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exit 1
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}
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case $# in
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0) set -- -root
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;;
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1) [ "$1" = "-window" ] || err "unknown option $1"
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set --
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;;
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2) [ "$1" = "-id" ] || [ "$1" = "-name" ] || err "unknown option $1"
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[ -n "$2" ] || err "$1 expects a non-empty parameter"
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;;
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*) usage
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;;
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esac
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: ${SCREENSHOTS:=~/media/ss}
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xwd -silent "$@" | xwdtopnm |
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pnmtopng >"$SCREENSHOTS/$(date +%Y%m%d-%H%M%S).png"
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