binaryadd.cpp

/*
 * binaryadd.cpp (C++11)
 * Adds two numbers and returns the results in hexadecimal
 * Usage: binaryadd <0xHEX|0octal|decimal> <0xHEX|0octal|decimal>
 *
 * Copyright © 2017 thejsa <https://github.com/thejsa>
 *
 * This program is free software. It comes without any warranty, to
 * the extent permitted by applicable law. You can redistribute it
 * and/or modify it under the terms of the Do What The Fuck You Want
 * To Public License, Version 2, as published by Sam Hocevar.
 * See http://www.wtfpl.net/ for more details.
 */

#include "stdafx.h"
#include <iostream>
#include <string>
#include <iomanip>

using namespace std;

int main(int argc, char* argv[])
{
	if(argc != 3)
	{
		cerr << "usage: " << argv[0] << " <number>" << " <number>" << '\n';
		return 64; // EX_USAGE
	}

	unsigned long i1, i2 = 0;

	try
	{
		i1 = stoul(argv[1], nullptr, 0);
		i2 = stoul(argv[2], nullptr, 0);
	}
	catch(const std::invalid_argument& ia)
	{
		cerr << "Invalid argument: " << ia.what() << '\n';
		return 65; // EX_DATAERR
	}

	unsigned long out = i1 + i2;
	cout << "0x" << std::uppercase << std::hex << out;

	return 0;
}

Thank you so much for this!

I'll be including binaryadd.exe in TWLIt in a future release.