clipr

A Command Line Interface ParseR for .Net 3.5+ and .Net Core

Created by Dan Nemec

Here's a quick but powerful example of the objects this library enables you to build:

[ApplicationInfo(Description = "This is a set of options.")]
public class Options
{
    [NamedArgument('v', "verbose", Action = ParseAction.Count,
        Description = "Increase the verbosity of the output.")]
    public int Verbosity { get; set; }

    [PositionalArgument(0, MetaVar = "OUT",
        Description = "Output file.")]
    public string OutputFile { get; set; }

    [PositionalArgument(1, MetaVar = "N",
        NumArgs = 1,
        Constraint = NumArgsConstraint.AtLeast,
        Description = "Numbers to sum.")]
    public List<int> Numbers { get; set; } 
}

static void Main()
{
    var opt = CliParser.Parse<Options>(
        "-vvv output.txt 1 2 -1 7".Split());
    Console.WriteLine(opt.Verbosity);
    // >>> 3

    Console.WriteLine(opt.OutputFile);
    // >>> output.txt

    var sum = 0;
    foreach (var number in opt.Numbers)
    {
        sum += number;
    }
    Console.WriteLine(sum);
    // >>> 9
}

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