Bring value from walk()

[Milos Prudek]

> I would love to know if you've found some way to account for the space
> occupied by directories, and if you know of some automated way to grab
> the clustersize of the partition.

I will calculate one cluster for each directory.

I will use win32api.GetDiskFreeSpace to learn about cluster size. This
is a MS Win only project... I would love to use portable system call but
I do not know if there is one.

--
Milos Prudek