public static void main(String[] args) {
        if (args.length < 1 || args.length > 2) {
            usage();
        }
        {
            File temp = new File(args[0]);
            if (!temp.exists()) {
                System.err.println("Error:  File does not exist:  " + args[0]);
                System.exit(1);
            }
            if (!temp.isFile()) {
                System.err.println("Error:  \"" + args[0] + "\" is not a file.");
                System.exit(1);
            }
        }

        if (args.length == 1) {
            CheckNew.run(args[0]);
        } else if (args[1].equalsIgnoreCase("edit")) {
            EditList.run(args[0]);
        } else {
            usage();
        }
    }