#!/bin/bash echo "12" > /sys/class/gpio/export echo "out" > /sys/class/gpio/gpio12/direction echo "1" > /sys/class/gpio/gpio12/value echo "16" > /sys/class/gpio/export echo "in" > /sys/class/gpio/gpio16/direction ret=$(ps aux | grep [l]ightdm | wc -l) while [ "$ret" -eq 0 ] do if [ "$ret" -eq 0 ] && [ $(