SHELL

Shell script to adjust screen mode

TouchscreenDevice="$(xrandr |grep eDP|cut -d" " -f1)"

if [ "$1" = "--help" ] || [ "$1" = "-h" ] ; then

echo 'Usage: rotate-screen.sh [OPTION]'
echo
echo 'This script rotates the screen and touchscreen input 90 degrees each time it is called,'
echo
echo Usage:

echo ' -h --help display this help'
echo ' -r turn orientation 90° right'
echo ' -l turn orientation 90° left'
echo ' -i turn orientation 180°'

echo ' -n (or no options) rotates the screen back to normal'
exit 0
fi

if [ "$1" == "-i" ]; then

echo "Upside down"
xrandr --output "$TouchscreenDevice" --rotate inverted

elif [ "$1" == "-l" ]; then

echo "90° to the left"
xrandr --output "$TouchscreenDevice" --rotate left

elif [ "$1" == "-r" ]; then

echo "90° to the right"
xrandr --output "$TouchscreenDevice" --rotate right

else

echo "Back to normal"
xrandr --output "$TouchscreenDevice" --rotate normal
fi