23 lines
306 B
Bash
23 lines
306 B
Bash
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#!/bin/bash
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[ -z $IS_LAPTOP ] && exit
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blpath=/sys/class/backlight/intel_backlight
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if [ -z $1 ]
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then
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exit
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elif (( $1 < 10 ))
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then
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perc=10
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elif (( $1 > 100 ))
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then
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perc=100
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else
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perc=$1
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fi
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max=$(cat $blpath/max_brightness)
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brightness="$(($max * $perc / 100))"
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echo $brightness > $blpath/brightness
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