35 lines
743 B
Bash
Executable File
35 lines
743 B
Bash
Executable File
#!/bin/bash -e
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function get_current() {
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local d="$1"
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local cur; cur="$(cat "$1/brightness")"
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local max; max="$(cat "$1/max_brightness")"
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echo "$((cur * 100 / max))"
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}
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function set-light() {
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local d="$1"
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local max; max="$(cat "$d/max_brightness")"
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echo "$((CUR * max / 100))" > "$d/brightness"
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}
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NOTIFY='notify-send -t 1000 -a changeVolume -u low'
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NOTIFYVOL="$NOTIFY -i audio-volume-high"
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DIRS=(/sys/class/backlight/*)
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CUR="$(get_current "${DIRS[0]}")"
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case "${1:0:1}" in
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'') echo "$CUR"; exit ;;
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'+'|'-') CUR="$((CUR + $1))" ;;
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*) CUR="$1" ;;
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esac
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for d in "${DIRS[@]}"; do
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set-light "$d" "$CUR"
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done
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$NOTIFYVOL -h string:synchronous:vol -h int:value:"$CUR" "$CUR%"
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