Heyes.GetOpt 1.0.9

.NET 5.0 .NET Framework 2.0
dotnet add package Heyes.GetOpt --version 1.0.9
NuGet\Install-Package Heyes.GetOpt -Version 1.0.9
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Heyes.GetOpt" Version="1.0.9" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Heyes.GetOpt --version 1.0.9
#r "nuget: Heyes.GetOpt, 1.0.9"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Heyes.GetOpt as a Cake Addin
#addin nuget:?package=Heyes.GetOpt&version=1.0.9

// Install Heyes.GetOpt as a Cake Tool
#tool nuget:?package=Heyes.GetOpt&version=1.0.9


Previously developped by Richard Heyes (from PHP to CS as far as I know), this library seemed abandoned.


The GetOpt class allows you to easily define and handle command line options and arguments. Various styles of options are catered for each optionally having its own argument.

For example:

long options: (--foo),
long options with arguments (--foo=bar),
short options (-f, /f),
short options with arguments (-f bar, -fbar) and
consolidated short options (-fb).


This example defines 4 options (a, b, foo and bar). "foo" is required to be given with an argument (eg. --foo=xyz) and bar can be supplied with or without an argument.

try {
    GetOpt foo = new GetOpt(args);
    foo.SetOpts(new string[] {"a", "b", "foo=", "bar=?"})
} catch (ArgumentException e) {
Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows net7.0 net7.0-android net7.0-ios net7.0-maccatalyst net7.0-macos net7.0-tvos net7.0-windows
.NET Framework net20 net35 net40 net403 net45 net451 net452 net46 net461 net462 net463 net47 net471 net472 net48 net481
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.
  • .NETFramework 2.0

    • No dependencies.
  • .NETFramework 3.5

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  • .NETFramework 4.8

    • No dependencies.
  • net5.0

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  • net6.0

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NuGet packages

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Version Downloads Last updated
1.0.9 201 1/5/2023
1.0.8 281 9/23/2022
1.0.7 281 8/21/2022
1.0.6 1,488 11/26/2021
1.0.5 2,031 11/26/2021
1.0.4 1,983 11/26/2021
1.0.3 1,823 11/26/2021
1.0.2 1,538 11/26/2021
1.0.1 2,882 11/24/2021