C# Error CS2005 – Missing file specification for ‘{0}’ option

C# Error

CS2005 – Missing file specification for ‘{0}’ option

Reason for the Error & Solution

Missing file specification for ‘option’ option

A was only partially specified.

For example, when using -recurse, you must specify the file to search: /recurse:filename.cs.

Example

The following sample generates CS2005.

// CS2005.cs  
// compile with: /recurse:  
// CS2005 expected  
class x  
{  
   public static void Main() {}  
}