public static void main(String[] args) throws IOException {
		File activeUsersFile = new File("activeUser.txt");
		if (!activeUsersFile.exists()) {
			throw new IOException("Active users file does not Exists!!");
		}
		String outDIr = "./Users-trimmed/";
		if (!new File(outDIr).exists()) {
			new File(outDIr).mkdir();
		}
		GraphTrimmer graphTrimmer = new GraphTrimmer("./Users/", outDIr,
				new File("activeUser.txt"), 800000000);
		graphTrimmer.start();
	}