if (args.length - argCount != 1) {
if (args.length - argCount > 1) {
	public static void main(String[] args) throws Exception {		DetectorFactoryCollection.instance(); // load plugins		MineBugHistoryCommandLine commandLine = new MineBugHistoryCommandLine();		int argCount = commandLine.parse(args);		if (args.length - argCount != 1) {			System.err.println("Usage: " + MineBugHistory.class.getName() + " [options] <bug collection>");			System.err.println("Options:");			commandLine.printUsage(System.err);			System.exit(1);		}		String fileName = args[argCount];				SortedBugCollection bugCollection = new SortedBugCollection();		bugCollection.readXML(fileName, new Project());		MineBugHistory mineBugHistory = new MineBugHistory(bugCollection);		mineBugHistory.setPrio(commandLine.getPrio());		mineBugHistory.setCategories(commandLine.getCategories());		mineBugHistory.execute();		mineBugHistory.dump(System.out);			}