On Dec 12, 11:39 am, MRAB <goo...@mrabarnett.plus.com> wrote:
> Jason Scheirer wrote:
> > On Dec 11, 3:49 pm, John Machin <sjmac...@lexicon.net> wrote:
> >> On Dec 12, 10:31 am, "Rhodri James" <rho...@wildebst.demon.co.uk>
> >> wrote:
>
> >>> On Thu, 11 Dec 2008 19:49:23 -0000, Steve Holden <st...@holdenweb.com>
> >>> wrote:
> >>>> Kirk Strauser wrote:
> >>>>> At 2008-11-29T04:02:11Z, Mel <mwil...@the-wire.com> writes:
> >>>>>> You could try
> >>>>>> for item in fname:
> >>>>>> item = item.strip()
> >>>>> This is one case where I really miss Perl's "chomp" function. It
> >>>>> removes a
> >>>>> trailing newline and nothing else, so you don't have to worry about
> >>>>> losing
> >>>>> leading or trailing spaces if those are important to you.
> >>>> ... and it's so hard to write
> >>>> item = item[:-1]
> >>> Tsk. That would be "chop". "chomp" would be
> >>> if item[-1] == '\n':
> >>> item = item[:-1]
> >> Better:
> >> if item and item[-1] == '\n':
> >> return item[:-1]
> >> return item
>
> > Best:
>
> > return item \
> > if not (item and item.endswith('\n')) \
> > else item[:-1]
>
> > Though really you should be using item.rstrip()
>
> Why not just:
>
> item[:-1] if item.endswith('\n') else item
Some possible reasons:
* because you might be supporting old versions of Python (my offering
runs on 1.5)
* because the "<true_value> if <condition> else <false_value>" syntax
gives you the screaming dry Edgar Britts
* because you'd prefer not to have the overhead of a method lookup and
method call
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