#! /bin/sh
# Is called when changing backlight value
# Sens a notification with the current xbaclight 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%"