os.walk() dirs and files

[Tim Peters]

[rtilley]
> When working with file and dir info recursively on Windows XP. I'm going
> about it like this:
>
> for root, dirs, files in os.walk(path):
>      for f in files:
>          ADD F to dictionary
>      for d in dirs:
>          ADD D to dictionary
>
> Is it possible to do something such as this:
>
> for root, dirs, files in os.walk(path):
>      for f,d in files, dirs:
>          ADD F|D to dictionary
>
> Just trying to save some lines of code and thought it wise to ask the
> gurus before trying it :)

As has been pointed out,

    for name in dirs + files:

is simple and effective.  In a context where you don't want to endure
the memory burden of materializing a concatentated list, you can do

    for name in itertools.chain(dirs, files):

intead.