#!/bin/bash PIN_PAPOWER=5 # init gpio mode $PIN_PAPOWER output # command if [[ "$1" == "on" ]]; then gpio write $PIN_PAPOWER 1 elif [[ "$1" == "off" ]]; then gpio write $PIN_PAPOWER 0 elif [[ "$1" == "read" ]]; then gpio read $PIN_PAPOWER else gpio toggle $PIN_PAPOWER fi