stdio EOF ?
dig.list at telkel.net
Sat Aug 10 00:55:40 CEST 2002
Hi, Erik Max Francis !
On Fri, Aug 09, 2002 at 03:34:37PM -0700, Erik Max Francis wrote:
> Francois Pinard wrote:
> > I did not read the thread. I merely replied to the message saying
> > that:
> > > > > The standard idiom [...] is:
> Note that the part you elided here was "for this," not "for reading a
> file in general." I was talking about the standard idiot for doing
> interactive line-by-line reading.
> > As long as you keep to a single "for line in file.xreadlines():" or
> > "for line in file:", is there a problem associated with the buffering?
> > I'm merely curious, here...
> It is not necessarily a problem, unless you want line-by-line
> interactivity. In
> for line in file.readlines():
> all of the lines are read in at once and then iterated over. This means
> that you have to wait for the entire input file to finish before any
> processing starts. With
> for line in file.xreadlines():
> the .xreadlines method returns a special object which acts the same way
> but reads the file in chunks -- but still not line by line. If you want
> line-by-line interactively, these mechanics are not what you want.
> Erik Max Francis / max at alcyone.com / http://www.alcyone.com/max/
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DIG (Dmitri I GOULIAEV)
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