70b795d3093a21bd4d43d68ba95133becf46b0cf
4 printf 'Error: %s\n' "$1" >&2
9 sudo ddcutil getvcp
10 |
grep -o ' current value = \+[0-9]\+' |
awk '{print $4}'
13 sudo ddcutil setvcp
10 "$1"
24 '') error
'expected a numeric argument between 0 and 100, given nothing!';;
26 if [[ "$arg" =~ ^
[0-9]+$
&& "$arg" -gt -1 && "$arg" -lt 101 ]]; then
29 error
"expected a numeric argument between 0 and 100, but given '$arg'"
32 *) error
"unrecognized command: $cmd. Expect either get or set."
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