sorry lost the first line in pasting:
Python 2.4.1 (#1, Jun 21 2005, 12:38:55)
:/
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Jp Calderone wrote:
> fileIter = iter(big_file)
> for line in fileIter:
> line_after = fileIter.next()
>
> Don't mix iterating with any other file methods, since it will confuse the
> buffering scheme.
>
Isn't a file an iterable already?
[GCC 3.3.3 20040412 (Red Hat Linux 3.3.3-7)]
On Sunday 03 July 2005 08:28 pm, Peter Hansen wrote:
> If open() can ever return things other than files, it seems likely it
> will do so only under conditions that make it pretty much safe to assume
> that existing code will continue to operate "as expected" (note: not
> "always with a file").
Michael Hoffman wrote:
> Mike Meyer wrote:
>> Guido has made a pronouncement on open vs. file. I think he prefers
>> open for opening files, and file for type testing, but may well be
>> wrong. I don't think it's critical.
>
> He has said that open() may be used for things other than files in the
Mike Meyer wrote:
> Roy Smith <[EMAIL PROTECTED]> writes:
>
>>The "right" way to do this is:
>>
>>for line in file ("filename"):
>> whatever
>>
>>The file object returned by file() acts as an iterator. Each time through
>>the loop, another line is read and returned (I'm sure there is some
>>b
Roy Smith <[EMAIL PROTECTED]> writes:
> The "right" way to do this is:
>
> for line in file ("filename"):
>whatever
>
> The file object returned by file() acts as an iterator. Each time through
> the loop, another line is read and returned (I'm sure there is some
> block-level buffering goin
Jp Calderone <[EMAIL PROTECTED]> wrote:
> Yes, but you need to do it like this:
>
> fileIter = iter(big_file)
> for line in fileIter:
> line_after = fileIter.next()
That's better than the solution I posted.
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On Sun, 3 Jul 2005 23:52:12 +0200, martian <[EMAIL PROTECTED]> wrote:
>Hi,
>
>I've a couple of questions regarding the processing of a big text file
>(16MB).
>
>1) how does python handle:
>
>> for line in big_file:
>
>is big_file all read into memory or one line is read at a time or a buffer
>is us
"martian" <[EMAIL PROTECTED]> wrote:
> 1) how does python handle:
>
> > for line in big_file:
>
> is big_file all read into memory or one line is read at a time or a buffer
> is used or ...?
The "right" way to do this is:
for line in file ("filename"):
whatever
The file object returned by f
Hi,
I've a couple of questions regarding the processing of a big text file
(16MB).
1) how does python handle:
> for line in big_file:
is big_file all read into memory or one line is read at a time or a buffer
is used or ...?
2) is it possible to advance lines within the loop? The following doe
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