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#!/bin/sh
dunstctl close-all
case "$1" in
"up")
brightnessctl set "$2"%+;;
"down")
brightnessctl set "$2"%-;;
esac
CURRENT=$(brightnessctl get)
MAX=$(brightnessctl max)
BRIGHTNESS=$(echo "scale=2; ("$CURRENT"/"$MAX")*100" | bc | sed s/\.00$//g)
notify-send "Brightness set to "$BRIGHTNESS%"" -i :
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