#!/bin/bash

sudo xrandr --newmode "1600x900_60.00" 118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync
sudo xrandr --addmode VGA-1 "1600x900_60.00"
sudo xrandr --newmode "1600x1200_60.00"  161.00  1600 1712 1880 2160  1200 1203 1207 1245 -hsync +vsync
sudo xrandr --addmode VGA-1 "1600x1200_60.00"

while [ [1] ]; do
        sudo xrandr --output VGA-1 --mode 1600x1200_60.00
        sleep 5
        sudo xrandr --output VGA-1 --mode 1600x900_60.00
        sleep 5
done