#!/usr/bin/env bash # Original Script: https://github.com/ericmurphyxyz/dotfiles/blob/master/.local/bin/changebrightness send_notification() { brightness=$(($(brightnessctl get) / 240)) dunstify -a "changebrightness" -u low -r 9991 -h int:value:"$brightness" -i "brightness-$1" "Brightness: $brightness%" -t 2000 } case $1 in up) brightnessctl set +5% send_notification "$1" ;; down) brightnessctl set 5%- send_notification "$1" ;; esac