[Tutor] Need to explicitly del a file object after reading
flaxeater at yahoo.com
Fri Jun 25 10:57:45 EDT 2004
--- Jeff Kowalczyk <jtk at yahoo.com> wrote:
> I've been explicitly opening, reading, closing and deleting files
> when I
> read their contents into variables. In these cases, I don't need
> the file object kept around for anything. I do this mainly because
> I don't
> know enough about when the garbage collector will delete the file
> and I wouldn't want it left open until the gc happens.
> Is it necessary to do this:
> f = open(filepath,'r')
> filestring = f.read()
> del f
> vs. this?
> filestring = open(filepath,'r').read()
> The same filepath *may* be read or written in the next few
> by other code, but it usually won't happen. Is there a rule of
> thumb on
> when to go with the explicit file management? Thanks.
I've been told that infact it's ok to do what you wrote. Python will
note that it's not longer needed and get rid of it in due time.
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