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#!/usr/bin/env bash
set -euo pipefail
check_cmd() {
if ! type -p "$1" >/dev/null; then
echo "No command: $1" >&2
return 1
fi
}
main() {
check_cmd scrot
check_cmd zbarimg
scrot --freeze --quality 95 --select -e 'zbarimg --quiet --raw "$f"; rm "$f"'
}
main "$@"
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