// @nuget: CommandLineParser -Version 2.6.0

using System;

using CommandLine;

using System.Collections.Generic;

​

public class Program

{

    public static void UseCase(string title, string argsCommand)

    {

        Console.WriteLine("------Case: " + title + "-----");

        var parser = new Parser(with =>

        {

            with.HelpWriter = null;

        }

​

        );

        var args = argsCommand.Split();

        //args.Dump();

        var result = parser.ParseArguments<RenameOptions,object>(args);

        result.WithParsed(options => options.Dump()).WithNotParsed(HandleError);

    }

​

    public static void Main()

    {

        UseCase("prefix", "rename --prefix aaa");

        UseCase("suffix", "rename --suffix bbb");

        UseCase("suffix-Prefix", "rename --suffix bbb --prefix aaa");

        UseCase("none", "rename");

        //UseCase("ftp", "--ftpdirectory ~/var/local/ftpsite --anonymouslogin -r ftp://myftp.server");

        //UseCase("not-allowed", "--enablejavascript --anonymouslogin");

    }

    static void HandleError(IEnumerable<Error> errors)

    {

        Console.WriteLine("Parser error");

    }

}

​

[Verb("rename")]

public sealed class RenameOptions

{

    [Option("prefix", HelpText = "Prefix to append to file name", SetName = "prefix", Required = true)]

    public string Prefix { get; set; }

​

    [Option("suffix", HelpText = "Suffix to append to file name", SetName = "suffix", Required = true)]

    public string Suffix { get; set; }

}

​