A little assistance with os.walk please.

[KraftDiner]

Tim Chase wrote:
> > 1) there seems to be an optional topdown flag.  Is that passed to
> > os.walk(path, topdownFlag)
>
> Yes.
>
> > 2) I only want to process files that match *.txt for example...  Does
> > that mean I need to parse the list of files for the .txt extention or
> > can I pass a wildcard in the path parameter?
>
>  >>> for path, dirs, files in os.walk("."):
> ...     for f in files:
> ...             if not f.lower().endswith(".txt"): continue
> ...             print os.path.join(path, f)
>
> If you want to be more complex:
>
>
>  >>> from os.path import splitext
>  >>> allowed = ['.txt', '.sql']
>  >>> for path, dirs, files in os.walk("."):
> ...     for f in files:
> ...             if splitext(f)[1].lower() not in allowed: continue
> ...             fn = os.path.join(path, f)
> ...             print "do something with %s" % fn
> 
> 
> Just a few ideas,
> 
> -tkc


Many thanks all.
B.