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#!/bin/sh
# Wrapper script for backlight control
arg=$1
[ $# -eq 0 ] && { echo "Error: No argument" ; exit 2 ;}
[ $# -gt 1 ] && { echo Too much arguments ; exit 2 ; }
[ $arg -lt 0 ] && positive_arg=$(echo $arg | tr -d "-") && brightnessctl -c backlight set $positive_arg%- && exit 0
brightnessctl -c backlight set $arg%
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