postprocessing in os.walk

[jordilin]

Well, you could use the alternative os.path.walk instead. You can pass
a callback as a parameter, which will be invoked every time you
bump into a new directory. The signature is os.path.walk
(path,visit,arg). Take a look at the python library documentation.


On 11 Oct, 00:12, kj <no.em... at please.post> wrote:
> Perl's directory tree traversal facility is provided by the function
> find of the File::Find module.  This function accepts an optional
> callback, called postprocess, that gets invoked "just before leaving
> the currently processed directory."  The documentation goes on to
> say "This hook is handy for summarizing a directory, such as
> calculating its disk usage", which is exactly what I use it for in
> a maintenance script.
>
> This maintenance script is getting long in the tooth, and I've been
> meaning to add a few enhancements to it for a while, so I thought
> that in the process I'd port it to Python, using the os.walk
> function, but I see that os.walk does not have anything like this
> File::Find::find's postprocess hook.  Is there a good way to simulate
> it (without having to roll my own File::Find::find in Python)?
>
> TIA!
>
> kynn