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bool parse_opts(int argc, char** argv)
{
    po::options_description options("Supported Arguments");
    options.add_options()
	("help,h", "Show this help message")
	("input,i", po::value<std::string>()->default_value("-"), "Input filename ('-' for stdin)")
        ("output,o", po::value<std::string>()->default_value("-"), "Output filename ('-' for stdout)")
        ;

po::positional_options_description posArgs;
    posArgs.add("input", 1);
    posArgs.add("output", 1);

po::variables_map vars;
    po::store(po::command_line_parser(argc, argv).options(options).positional(posArgs).run(), vars);
    po::notify(vars);

if(vars.count("help"))
    {
        std::cerr << "Usage " << argv[0] << " [args] input output" << std::endl << std::endl;
        std::cerr << options;
        return false;
    }

if(vars.count("input"))
        inFileName = vars["input"].as<std::string>();
    if(vars.count("output"))
        outFileName = vars["output"].as<std::string>();

return true;
}

Anonymous Jan. 29, 2013, 6:11 p.m.

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