#!/bin/bash

tv_on() {
	cec-ctl --to 0 --image-view-on 
	echo "on">~/scripts/PJ/tv_state
}

tv_off() {
	cec-ctl --to 0 --standby 
	echo "off">~/scripts/PJ/tv_state
}

if [[ -z "$1" ]]; then
	if grep -q off ~/scripts/PJ/tv_state; then
		tv_on
	elif grep -q on ~/scripts/PJ/tv_state; then
		tv_off
	fi
elif [[ $1 = "on" ]]; then
	tv_on
elif [[ $1 = "off" ]]; then
	tv_off
fi