How to use tango's FileScan correctly?

[Moritz Warning]

Here is the bug report (patch proposal included):

http://dsource.org/projects/tango/ticket/2003

On Thu, 14 Oct 2010 15:31:47 +0000, qwesx wrote:

> Hello!
> 
> I'm trying out some things in D (with tango) and tried to build a *very*
> primitive indexing program. One function requires to run through a
> directory (without recursion) and get me all the files/folders in there.
> 
> So after reading the documentation I found that tango.io.FileScan
> basically does what I need. It's just that I can't get it to work. All
> examples there use some filter, but I don't need one. And the other
> stuff I tried (and which compiled) gives me either a wrong number of
> files in my debug output, or none at all.
> 
> Here's (part of) my code:
> 
> FileScan scan = new FileScan();
> // only one of those was used at a time, the others are commented // dir
> is a char[] with an existing (absolute) directory: scan(dir, "*");
> scan(dir, ".*");
> scan(dir, "*.*");
> scan(dir, "");
> scan = scan.sweep(dir, false);
> 
> 
> FilePath[] myFolders = scan.folders(); FilePath[] myFiles =
> scan.files();
> char[][] err = scan.errors();
> Stdout("found folders: ")(myFolders.length)("\n")(); Stdout("found files
>  : ")(myFiles.length)("\n")(); Stdout("errors:\n")();
> foreach (char[] e; err)
>   Stdout(e)("\n")();
> 
> 
> The result was always:
> 
> found folders: 0
> found files  : 0
> errors:
> % _
> 
> I think I'm doing something very wrong here. And it's possibly because I
> don't understand the documentation.
> 
> Can you help me get this to work?
> 
> 
> 
> Regards
> qwesx