Hi All,

I am using program option for my program. Here is my code snippet 

 string inputFile, outputFile;

/* Populate command line arguments */

    po::options_description desc("Usage: KDMGenerator [OPTIONS]");

    {

        desc.add_options()

            ("help", "prints this message") 

            ( "input-file", po::value<string>(&inputFile), "input file name" )

            ( "output-file", po::value<string>(&outputFile), "output file name");

    }

    po::variables_map vm;

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

    po::notify(vm);

    if (vm.count("help") || !vm.size())

    {

        cout <<desc;

        return 0;

    }

    if(vm.count("input-file"))

    {

        cout << "Input file :" << inputFile << '\n';

    }

    if(vm.count("output-file"))

    {

        cout << outputFile << '\n';

    }

The issue I am facing is that if i I call my program without passing value for input file, something like 

./myapp --input-file --output-file out.txt

I get Input file: --output-file

i.e the value "--output-file" get stored in inputFile and vm.count("output-file") returns zero.

Is this the desired behavior? Is there any workaround for this?

--
Vivek,

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