private void cmd_roll(final String arg, final Client client) {
		String[] args = arg.split(",");

		try {
			int number = Integer.parseInt(args[0]);
			int sides = Integer.parseInt(args[1]);

			send("Rolling " + number + "d" + sides, client);

			send("" + Utils.roll(number, sides), client);
		}
		catch (final NumberFormatException nfe) {
			debug("cmd(): 'roll' (number format exception)");
			System.out.println("--- Stack Trace ---");
			nfe.printStackTrace();
		}
	}