#!/bin/sh dir_icons="/usr/local/bin/icons" max_bri=$(cat /sys/class/backlight/*/max_brightness) cur_bri=$(cat /sys/class/backlight/*/brightness) cur_per=$((cur_bri * 100 / max_bri)) if [ "$cur_per" -ge 50 ]; then dunstify "Screen" "Brightness: $cur_per%" -r 100 -i "$dir_icons"/sun.svg else dunstify "Screen" "Brightness: $cur_per%" -r 100 -i "$dir_icons"/moon.svg fi