public/.local/bin/brightness_control.sh


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#!/bin/bash

delta=${2:-10}
signal=11

# signal dwmblocks to update block
send_signal() {
    pkill -RTMIN+$signal dwmblocks
}

case $1 in
    inc) xbacklight -inc $delta ;;
    dec) xbacklight -dec $delta ;;
    *) xbacklight -get ;;
esac

send_signal