[Issue 3414] New: std.file.listdir: Use regex, not RegExp

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=3414

           Summary: std.file.listdir:  Use regex, not RegExp
           Product: D
           Version: 2.035
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Keywords: patch
          Severity: normal
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: dsimcha at yahoo.com


--- Comment #0 from David Simcha <dsimcha at yahoo.com> 2009-10-17 14:42:45 PDT ---
std.file.listdir still uses the old-school std.regexp lib, even though this
will likely be deprecated soon.  Here's a version using the new-school
std.regex.

string[] listdir(Char)(in char[] pathname, Regex!(Char) r)
{
    Appender!(string[]) result;

    bool callback(DirEntry* de)
    {
        if (de.isdir)
            listdir(de.name, &callback);
        else
        {
            if (!match(de.name, r).empty)
                result.put(de.name);
        }
        return true; // continue
    }

    listdir(pathname, &callback);
    return result.data;
}

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