[Python-ideas] Boolean value of file object?

[anatoly techtonik]

On Sun, Jan 8, 2012 at 5:08 AM, Raymond Hettinger <
raymond.hettinger at gmail.com> wrote:

>
> there is still an important distinction between files that are closed
> versus files that are empty (i.e. they have a length of zero).
>

and `file`s that are None. When you check f.closed explicitly - the None
objects throw an exception.
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