BugCollection origCollection = new SortedBugCollection();
int argCount = 0;
if (argCount == args.length) {
origCollection.readXML(System.in);
} else {
origCollection.readXML(args[argCount]);
}
FileBugHash result = compute(origCollection);
for (String sourceFile : result.getSourceFiles()) {
System.out.println(result.getHash(sourceFile) + "\t" + sourceFile);
}