dotfiles/.local/bin/backlight_notify

#!/bin/sh

######################################################################
# @author       : swytch
# @file         : backlight_notify
# @license      : GPLv3
# @created      : Wednesday May 20, 2020 17:53:36 CEST
#
# @description  : send a notification with xbacklight value
######################################################################


current=$(cat /sys/class/backlight/intel_backlight/brightness)
max=$(cat /sys/class/backlight/intel_backlight/max_brightness)
step=$(expr $max / 20)

level=$(expr $(expr $current / $step) \* 5)

dunstify -r 100001 -u "low" "Current xBacklight value :" "$level%"