synching with os.walk()

[Andre Meyer]

Cool, this seems to work.

thanks!


On 24 Nov 2006 08:12:08 -0800, 120psi at gmail.com <120psi at gmail.com> wrote:
>
> > os.walk() is a nice generator for performing actions on all files in a
> > directory and subdirectories. However, how can one use os.walk() for
> walking
> > through two hierarchies at once? I want to synchronise two directories
> (just
> > backup for now), but cannot see how I can traverse a second one. I do
> this
> > now with os.listdir() recursively, which works fine, but I am afraid
> that
> > recursion can become inefficient for large hierarchies.
>
> I've run into wanting to work with parallel directory structures
> before, and what I generally do is something like:
>
> for root, dirs, files in os.walk( dir1 ):
>   dir2_root = dir2 + root[len(dir1):]
>   for f in files:
>     dir1_path = os.path.join( root, f )
>     dir2_path = os.path.join( dir2_root, f )
>
> Does this work for your needs?
> -- Nils
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>



-- 
Dr. Andre P. Meyer                        http://python.openspace.nl/meyer
TNO Defence, Security and Safety          http://www.tno.nl/
Delft Cooperation on Intelligent Systems  http://www.decis.nl/

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