[Python-3000] Removal of os.path.walk

[Guido van Rossum]

On Thu, May 1, 2008 at 3:20 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:
>  I think Giovanni's point is an important one as well - with an iterator,
> you can pipeline your operations far more efficiently, since you don't have
> to wait for the whole directory listing before doing anything (e.g. if
> you're doing some kind of move/rename operation on a directory, you can
> start copying the first file to its new location without having to wait for
> the directory read to finish).
>
>  Reducing the startup delays of an operation can be a very useful thing when
> it comes to providing a user with a good feeling of responsiveness from an
> application (and if it allows the application to more effectively pipeline
> something, there may be an actual genuine improvement in responsiveness,
> rather than just the appearance of one).

This sounds like optimizing for a super-rare case. And please do tell
me if you've timed this.

-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)