49 lines
1.1 KiB
Bash
49 lines
1.1 KiB
Bash
#!/bin/sh
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# screenshot
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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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{
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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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save_screenshot()
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{
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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) [ "$1" = "-window" ] || err "Unknown option \"$1\"."
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xwd -silent | save_screenshot
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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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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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