System.err.println("Usage: " + UnionResults.class.getName() + " <orig results> <new results> <output file>");
System.err.println("Usage: " + UnionResults.class.getName() + " <results1> <results2> ... <resultsn>");
	public static void main(String[] argv) throws Exception {		if (argv.length == 0) {			System.err.println("Usage: " + UnionResults.class.getName() + " <orig results> <new results> <output file>");			System.exit(1);		}		SortedBugCollection results = new SortedBugCollection();		results.readXML(argv[0], new Project());		for(int i = 1; i < argv.length; i++) {			SortedBugCollection more = new SortedBugCollection();			more.readXML(argv[i], new Project());			results = union(results, more);		}			results.writeXML(System.out, new Project());	}