#!/bin/bash

if [ $1 = "up" ]; then
    brightnessctl set +5% &> /dev/null
    brightnessctl | grep 'Current brightness' \
    | awk '{ print $4 }' | tr -d '()' \
    | xmessage -timeout 1 -geometry 120x80-0-0 -file - &> /dev/null
elif [ $1 = "down" ]; then
    brightnessctl set 5%- &> /dev/null
    brightnessctl | grep 'Current brightness' \
    | awk '{ print $4 }' | tr -d '()' \
    | xmessage -timeout 1 -geometry 120x80-0-0 -file - &> /dev/null
fi