#!/bin/sh
#
echo " # usage:"
echo " # 1. safe"
echo " # 2. make accessable: chmod 755 $0"
echo " # 3. exec $0 [off] # for off"
echo " # 4. exec $0 on # for on"
#
echo " # tried to kill xscreensaver too"
killall xscreensaver ; sleep 1s ; killall -9 xscreensaver
#
echo " # need unclutter for mouse off, please install"
unclutter -grab -visible &

#
if [ ! "$1" = "on" ] ; then
	echo " +++ Set to: OFF"
	xset -dpms # disable DPMS (Energy Star) features.
	xset s off # disable screen saver
	xset s noblank # don't blank the video device
else
	echo " +++ Set to: ON"
	xset +dpms # enable DPMS (Energy Star) features.
	xset s on # enable screen saver
	xset s blank # blank the video device
fi
#