Peter M. Groen / CLI11

#include "CLI/CLI.hpp"

int main(int argc, char **argv) {

    CLI::App app("K3Pi goofit fitter");
    app.set_help_all_flag("--help-all", "Expand all help");
    app.add_flag("--random", "Some random flag");
    CLI::App *start = app.add_subcommand("start", "A great subcommand");
    CLI::App *stop = app.add_subcommand("stop", "Do you really want to stop?");
    app.require_subcommand(); // 1 or more

    std::string file;
    start->add_option("-f,--file", file, "File name");

    CLI::Option *s = stop->add_flag("-c,--count", "Counter");

    CLI11_PARSE(app, argc, argv);

    std::cout << "Working on --file from start: " << file << std::endl;
    std::cout << "Working on --count from stop: " << s->count() << ", direct count: " << stop->count("--count")
              << std::endl;
    std::cout << "Count of --random flag: " << app.count("--random") << std::endl;
    for(auto subcom : app.get_subcommands())
        std::cout << "Subcommand: " << subcom->get_name() << std::endl;

    return 0;
}