DO NOT USE file() (was Re: altering an object as you iterate over it?)

[Tim Peters]

[Tim Peters]
>> In 2.5 `file` is unchanged but `open` becomes a function:
>>
>> >>> file
>> <type 'file'>
>> >>> open
>> <built-in function open>

[Paul Rubin]
> So which one are we supposed to use?

Use for what?  If you're trying to check an object's type, use the
type; if you're trying to open a file, use the function.

>>> type(open('a.file', 'wb')) is file
True