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NDesk.Options
=============
NDesk.Options is a program option parser for C#.
See: http://www.ndesk.org/Options
Overview:
--------
It takes advantage of C# 3.0 features such as collection initializers and
lambda delegates to provide a short, concise specification of the option
names to parse, whether or not those options support values, and what to do
when the option is encountered. It's entirely callback based:
var verbose = 0;
var show_help = false;
var names = new List<string> ();
var p = new OptionSet () {
{ "v|verbose", v => { if (v != null) ++verbose; } },
{ "h|?|help", v => { show_help = v != null; } },
{ "n|name=", v => { names.Add (v); } },
};
However, C# 3.0 features are not required, and can be used with C# 2.0:
int verbose = 0;
bool show_help = false;
List<string> names = new List<string> ();
OptionSet p = new OptionSet ()
.Add ("v|verbose", delegate (string v) { if (v != null) ++verbose; })
.Add ("h|?|help", delegate (string v) { show_help = v != null; })
.Add ("n|name=", delegate (string v) { names.Add (v); });
Distribution:
------------
In accordance with the Guidelines for Application Deployment [0], there are
pkg-config files to permit simple access to the source or pre-compiled
assemblies for re-use.
There are two ways to use NDesk.Options:
- Bundle src/NDesk.Options/NDesk.Options/Options.cs with your app.
pkg-config --variable=Sources ndesk-options
- Use a prebuilt NDesk.Options.dll:
pkg-config --variable=Libraries ndesk-options
[0] http://www.mono-project.com/Guidelines:Application_Deployment#Libraries_with_Unstable_APIs
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