Using boost::program_options

op_parser.cpp

//To compile:
//g++ -I /usr/include/boost -o op_parser op_parser.cpp /usr/lib64/libboost_program_options-mt.a
#include <iostream>
#include "boost/program_options.hpp"

namespace po = boost::program_options;
using namespace std;

int main(int argc, char** argv){
  string list_file;
  string verilog_file;
  po::options_description desc("Allowed options");
  desc.add_options()
      ("help", "produce help message")
      ("list_file", po::value<string>(), "list file to read")
      ("v", po::value<string>(), "single verilog file")
  ;

  po::variables_map vm;
  po::store(po::parse_command_line(argc, argv, desc), vm);
  po::notify(vm);    

  if(vm.count("help")) {
    cout << desc << "\n";
    return 1;
  }

  if(vm.count("list_file")) {
    list_file = vm["list_file"].as<string>();
    cout << "list file is: " << list_file << ".\n";
  } else {
    cout << "list_file was not set.\n";
  }

  if(vm.count("v")){
    verilog_file = vm["v"].as<string>();
    cout << "verilog file is: " << verilog_file << ".\n";
  }
  
}