powerButton.sh


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#!/usr/bin/bash

set -e

raspi-gpio set 20 pu
while true; do
	if [[ $(raspi-gpio get 21 | grep -Po "(?<=level\=)\d") -eq 0 ]]; then
		for NUM in 1 2 3 4 5; do
			echo "========= BUTTON PRESSED, SHUTTING DOWN ========="
			raspi-gpio set 20 op dh
			sleep 0.5
			raspi-gpio set 20 op dl
			sleep 0.5
		done
		poweroff
	fi
done