#!/bin/bash PIN_SALIGHT=11 # init gpio mode $PIN_SALIGHT output # command if [[ "$1" == "on" ]]; then gpio write $PIN_SALIGHT 1 elif [[ "$1" == "off" ]]; then gpio write $PIN_SALIGHT 0 elif [[ "$1" == "read" ]]; then gpio read $PIN_SALIGHT elif [[ "$1" == "blink" ]]; then gpio blink $PIN_SALIGHT $2 $3 else gpio toggle $PIN_SALIGHT fi