# Needed for "Only allow one process of this script"-rule
	use Fcntl ':flock';
	
	INIT
	{
		open  LH, $0 
			or die "Can't open $0 for locking!\nError: $!\n";
		# lock file so that it can only be accessed 
		# by the current running script
		# DIE is mute (doesn't print to the screen) on Windows
		flock LH, LOCK_EX|LOCK_NB
			or die "$0 is already running somewhere!\n";
	}