From: Nobuyoshi Nakada <nobu@...>
Date: 2008-04-25T13:39:57+09:00
Subject: Re: Dir.mkdir would be better if it returned a Dir object

Hi,

At Fri, 25 Apr 2008 13:03:08 +0900,
Urabe Shyouhei wrote in [ruby-core:16584]:
> > Dir.mkdir creates a directory and returns 0 on success.  It would be
> > better if Dir.mkdir returned a new Dir object that wrapped the file
> > descriptor that mkdir(2) returns.
> >
> > My immediate use case is that this would allow you to create temporary
> > directories as safely as files can currently be created.
> >
> > I'll gladly write the patch (and even more gladly let someone else do
> > it for me), but I would like input on this before I do.
> >
> > Thanks!
> >   
> 
> Feel free to post that patch, but also note that:
> (1) We already have Dir.mktmpdir once you require 'tmpdir'
> (2) Don't forget Windows and other systems which don't have file 
> descriptors.

All systems have or emulate file descriptors and Shyouhei meant
the systems which mkdir(2) doesn't return a file descriptor.
I've not seen nor heared yet about such systems, mkdir(2) opens
the created directory togegher, though.

-- 
Nobu Nakada