Use wmctrl to rotate through workspaces

rotisascreen.sh

#!/bin/bash
# rotisascreen.sh
#  - Rotate screens on occassion
screenCount=$(wmctrl -d | tail -n 1 | awk '{print $1}')

while true
do
	count=1
	while [[ $count -le $screenCount ]]
	do
		wmctrl -s $count
		count=$[$count+1]
		sleep 15
	done
done