On Sun, 30 Mar 2008 21:02:44 +0000, Jorgen Grahn wrote:
> I realize this has to do with the extra read-ahead buffering documented for
> file.next() and that I can work around it by using file.readline()
> instead.
>
> The problem is, "for s in f" is the elegant way of reading files line
> by line. With readline(), I need a much uglier loop. I cannot find a
> better one than this:
>
> while 1:
> s = sys.stdin.readline()
> if not s: break
> print '####', s ,
>
> And also, "for s in f" works on any iterator f -- so I have to choose
> between two evils: an ugly, non-idiomatic and limiting loop, or one
> which works well until it is used interactively.
>
> Is there a way around this? Or are the savings in execution time or
> I/O so large that everyone is willing to tolerate this bug?
You can use ``for line in lines:`` and pass ``iter(sys.stdin.readline,
'')`` as iterable for `lines`.
Ciao,
Marc 'BlackJack' Rintsch
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