Rotates your screen remembering the last position.

rotate.sh

#!/bin/sh

check_file="/home/jjrh/scripts/rotation_status"
screen="HDMI1"


#if the rotation file doesn't exist create it and assume normal.
if [ ! -e $check_file ]
then
    touch $check_file
    echo "normal" > $check_file
fi


if [ $(cat $check_file) = "left" ]
then
    xrandr --output $screen --rotate normal
    echo "normal" > $check_file
elif [ $(cat $check_file) = "normal" ]
then 
    xrandr --output $screen --rotate left
    echo "left" > $check_file
else
    echo "you probably got garbage that isn't 'left' or 'normal' in your file!"
    # echo "normal" > $check_file  # uncomment to initialize the file. 
    # ./rotate.sh
fi