public static void main(String args[]) {
		if (args.length != 2) {
			System.out.println("RelativePath <home> <file>");
			return;
		}
		System.out.println("home = " + args[0]);
		System.out.println("file = " + args[1]);
		System.out.println("path = "
				+ getRelativePath(new File(args[0]), new File(args[1])));
	}