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Yet Another Command Line Parser

, 5 Mar 2008 CPOL
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A simple to use C# Command Line parser.

Introduction

This is a basic command-line argument parser. Most parsers I have found try to do too much, such as default parameter support that requires a complicated setup. This utility simply parses the command line arguments into argument/value pairs and a list of single parameters. It is up to the user to figure out what to do after that.

Background

Parsing command line arguments is a common step in console applications. I needed a simple way of doing this without having to register a bunch of event handlers or complicated argument patterns. It also needed to support the most common argument flags ("-", "--", and "/"), as well as handle values with spaces in them (such as file paths).

Using the code

The code is extremely easy to use. Simply call the Parse() method on the CommandLine class with the string[] of arguments you wish to parse. Then, extract the arguments and parameters from the returned CommandArgs.

For example:

static void Main(string[] args) 
{ 
   // parse the command line into arguments and parameters 
   CommandArgs commandArgs = CommandLine.Parse(args); 

   // output all the argument pairs 
   Console.WriteLine("Command Line Arguments:"); 
   foreach ( KeyValuePair<string, string> pair in commandArgs.ArgPairs ) 
   { 
      Console.WriteLine( string.Format( " {0} = {1}", pair.Key, pair.Value )); 
   } 

   // output all the parameters 
   Console.WriteLine("\nCommand Line Parameters:"); 
   foreach ( string param in commandArgs.Params ) 
   { 
      Console.WriteLine( " " + param ); 
   } 
}

History

  • Release 1.0.0.0 - 3/5/2008.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

ChrisStoy
Software Developer (Senior)
United States United States
Professional game programmer for over 10 years. Doing my best to become a better programmer.

Comments and Discussions

 
GeneralNConsoler - another command line parsing library Pinmembertihobrazov8-Sep-08 8:04 
GeneralRe: NConsoler - another command line parsing library PinmemberClaire Streb20-Sep-11 14:49 
Correct me if I'm wrong, but I think NConsoler is only for console apps?
Claire Streb
mailto: clairestreb@hotmail.com
http://clairenstreb.brinkster.net

GeneralProblems parsing stand-alone paramaters. Pinmemberkenrentz3-Jun-08 7:58 
AnswerRe: Problems parsing stand-alone paramaters. PinmemberMarkusD24-Feb-09 2:46 
GeneralMore details in article please PinmemberHotcut6-Mar-08 4:54 

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