launch-or-cycle-windows.applescript

on run argv
	set appToLaunch to (item 1 of argv)
	
	tell application "System Events"
		set activeApp to bundle identifier of first process whose frontmost is true
	end tell
	
	if appToLaunch is equal to activeApp then
		tell application "System Events" to keystroke "`" using command down
	else
		do shell script "open -b " & appToLaunch
	end if
end run