off-and-on.sh

#!/usr/bin/env bash

xset +dpms
xset dpms force standby
sleep 1
xset dpms force suspend
sleep 1
xset dpms force off
sleep 1
xset dpms force on
sleep 1

#xrandr -q | grep "connected"
xrandr --output HDMI1 --brightness 0.2
sleep 2
xrandr --output HDMI1 --brightness 1.0

xset s noblank
/usr/bin/xsetroot -solid Black
xset s activate
sleep 1
xset s activate
sleep 1

xset dpms force on
/usr/bin/xsetroot -solid Red
xset s activate
sleep 1

xset dpms force on
/usr/bin/xsetroot -solid Green
xset s activate
sleep 1

xset dpms force on
/usr/bin/xsetroot -solid Blue
xset s activate
sleep 1

xset dpms force on
/usr/bin/xsetroot -solid White
xset s activate
sleep 1

xset s off
xset dpms force on