the.theorist wrote:
> I'll keep both those in mind for future programs.
> my current fix has been
>
> if not args:
> args = [ sys.stdin ]
> else:
> map( open, args )
>
> and then a modification to the main loop, as you proposed.
>
> I thought that one day I might run into a problem opening too many
> files though (esp if i used xargs in a pipe). And it just feels
> better to open and close as I loop over the files list, rather than
> open everything at the get go.
>
> OH, i've noticed you used a generator that takes care of that. Except,
> the machine I'm working on is currently stuck at Python 2.3. Still,
> I'll keep your suggestions in mind for future coding.
use
if args:
args = itertools.imap(open, args)
else:
args = [sys.stdin]
to get the same lazy-open behaviour as with the generator expression.
Or have a look at http://docs.python.org/lib/module-fileinput.html.
Peter
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