Yesterday C# to generate Javascript, today C# to executable script (cscscript).

This article describes a "script engine" for the C# language. Here are some of the key features of the presented scripting system:
-Based on the full featured C#.
-Full access to CLR and CTS.
-Can be run with any version of CLR (.NET 1.1/2.0), even potentially with future ones.
-Possibility of extending the functionality of any CLR application with "scripting" by hosting the script engine in this application.
-Integration with common IDEs and debuggers.
-Integration with OS.

read more:
http://www.codeproject.com/csharp/cs-script_for_cp.asp