47 lines
1.2 KiB
Bash
47 lines
1.2 KiB
Bash
DIR="/sys/class/backlight"
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if [[ -d "$DIR/acpi_video0" ]]; then
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DIR="$DIR/acpi_video0"
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elif [[ -d "$DIR/intel_backlight" ]]; then
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DIR="$DIR/intel_backlight"
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else
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printf "no backlight\nn/a\n"
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exit 33
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fi
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cat "$DIR/brightness" "$DIR/max_brightness" | gawk -v BAR="${BAR[*]}" -v BW="${BW[*]}" -v COLORS="$COLORS" -v COLOR="${COLOR[*]}" -v LONG="$LONG" '
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BEGIN {
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split(BAR, bar, / /)
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split(COLOR, color, / /)
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split(BW, bw, / /)
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interval = 100 / length(bar)
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}
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NR == 1 { current_brightness = $1 }
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NR == 2 { maximum_brightness = $1 }
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END {
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load = ( current_brightness / maximum_brightness ) * 100
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if (LONG) {
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printf("%d%\n%d\n", load, load)
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} else {
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for (i in bar) {
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if (load <= i * interval) {
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printf("%s\n%s\n", bar[i], bar[i])
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break
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}
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}
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}
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for (i in bw) {
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if (load <= i * interval) {
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if (COLORS) {
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printf("%s\n", color[i])
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} else {
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printf("%s\n", bw[i])
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}
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break
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}
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}
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}
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'
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