#!/bin/bash
lockfile=/tmp/cycle_desktop_space.lock
if [ -f $lockfile ]
then
	exit 1
fi
touch $lockfile
trap 'rm "$lockfile"' EXIT
cur_space=`wmctrl -d | grep "*" | cut -d ' ' -f 1`
num_spaces=`wmctrl -d | tail -1 | cut -d ' ' -f 1`
if [ $num_spaces -eq 2 ] && [ $cur_space -eq 1 ] ; then
	cur_space=-1
fi
wmctrl -s $((($cur_space + 1) % ($num_spaces+1)))
sleep .3