// @nuget: CommandLineParser -Version 2.5.0

​

​

using System;

using System.Collections.Generic;

using CommandLine;

using CommandLine.Text;

using System.Linq;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {   

        var args ="--test".Split();

        Main1(args);

   }

     static void Main1(string[] args)

                {

                    //INCORRECTLY generates NO help text   

                    var parser = new Parser(c=>{});

                    var parserResult = parser.ParseArguments<Options>(args);

                    parserResult.WithParsed<Options>(options => Run(options));

                 }

    private static int Run(Options options)

    {

           //do stuff

            Console.WriteLine("parser SUCCESS- provide your custome help/version");

            return 0;

    }

}

​

class Options

{

​

  [Option("stdin",

    Default = false,

    HelpText = "Read from stdin")]

  public bool stdin { get; set; }

​

}