[Tutor] Move all files to top-level directory

[Dotan Cohen]

> Actual the first item in the tuple (returned by os.walk) is singular (a
> string), so I might call it rootDir.  Only the other two needed to be
> changed to plural to indicate that they were lists.

I did discover this, too. I wanted to finish with the code at hand
before I started experimenting with things.


> Note that it's not just race conditions that can cause collisions.  You
> might have the same name in two distinct subdirectories, so they'll end up
> in the same place.  Which one wins depends on the OS you're running, I
> believe.
>

The code checks for that, and assigns a different filename if the name
is already taken. See the renameNumber variable.

Thank you very much for your help.


-- 
Dotan Cohen

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