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#!/bin/sh
# ==================================
# License : ./LICENSE
# Author : sabr@ariamath.xyz
# Version : 0.0.1
# ==================================
# Honestly, brightnessctl is bloat.
# ==================================
device="$(find /sys/class/backlight/*)"
fmax="${device}/max_brightness"
fcur="${device}/brightness"
m="$(cat "${fmax}")"
c="$(cat "${fcur}")"
if [ $# -gt 1 ];
then
case "$1" in
"-s") printf "%d" "$(($2 * m / 100))" > "${fcur}" ;;
"-i") printf "%d" "$((c + $2 * m / 100))" > "${fcur}" ;;
"-d") printf "%d" "$((c - $2 * m / 100))" > "${fcur}" ;;
esac
notify-send "Brigthness Info" "Current Brightness: $((c * 100 / m))%"
else
case "$1" in
"-v")
printf "brl v0.0.1\n"
printf "A simple brightness control program\n"
;;
"-h"|"--help")
printf "brl [options] [value]\n"
printf " -s set brightness %%\n"
printf " -i increase brightness %%\n"
printf " -d decrease brightness %%\n"
;;
*)
printf "Current brightness: %d%% (%d)\n"\
$((c * 100 / m)) "$c"
;;
esac
fi
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