Command Line Application in D

[TJB via Digitalmars-d-learn]

On Monday, 4 August 2014 at 21:58:09 UTC, maarten van damme via 
Digitalmars-d-learn wrote:
> I am a little bit confused as to what you want.
> There is a command line example at dlang.org, and there exists 
> a program
> (rdmd) that compiles several D files and runs them.
> http://dlang.org/rdmd.html

Sorry. I wasn't very clear. Say I want to find all of the files 
that have a certain extension within a directory and process them 
somehow at the command line. How could I do that?