[Python-Dev] Wishlist: dowhile
Phillip J. Eby
pje at telecommunity.com
Mon Jun 13 18:29:17 CEST 2005
At 08:14 AM 6/13/2005 -0400, Jp Calderone wrote:
>On Mon, 13 Jun 2005 01:25:51 -0400, "Phillip J. Eby"
><pje at telecommunity.com> wrote:
> >Block-copying a file with read() has the same pattern (e.g. in shutil), but
> >you can't make it a for loop.
>
>Anything can be a for loop.
>
> for chunk in iter(lambda: f1.read(CHUNK_SIZE), ''):
> f2.write(chunk)
Showoff. ;)
More seriously, I think your translation makes an excellent argument in
*favor* of having a do/while statement for greater clarity. :)
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