Writing to a certain line?

[Jack Diederich]

On Wed, Jun 07, 2006 at 08:17:22PM +0200, Fredrik Lundh wrote:
> Christophe wrote:
> 
> > Use /dev/zero as source and /dev/null as destination :D
> 
> have you tried looping over an endless null-byte stream?
> 
> on a random Linux server, this statement
> 
>  >>> for line in open("/dev/zero"):
> ...     print len(line)
> ...
> 
> terminates without printing anything after about three seconds, which is 
> a bit odd.  in contrast,
> 
>  >>> f = open("/dev/zero")
>  >>> len(f.readline())
> 
> raises a MemoryError exception after about 10 seconds.  hmm.  looks like 
> a bug in the file iterator, really...

svn log Objects/fileobject.c

r43506 | georg.brandl | 2006-03-31 15:31:02 -0500 (Fri, 31 Mar 2006) | 2 lines

Bug #1177964: make file iterator raise MemoryError on too big files


So it always the error on the trunk.

-Jack