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On Jan 23, 6:30 pm, John Machin <sjmac...@lexicon.net> wrote:
> On Jan 24, 9:50 am, ryan k <r...@ryankaskel.com> wrote:
>
> > Steven D'Aprano, you are a prick.
>
> And your reasons for coming to that stridently expressed conclusion
> after reading a posting that was *not* addressed to you are .....?

Because his tone is extremely condescending and quite frankly
annoying. From this post to others, his terse remarks scar this
community and fade its atmosphere of friendliness.

On Jan 24, 8:21 am, ryan k <r...@ryankaskel.com> wrote:
> On Jan 23, 6:30 pm, John Machin <sjmac...@lexicon.net> wrote:
>
> > On Jan 24, 9:50 am, ryan k <r...@ryankaskel.com> wrote:
>
> > > Steven D'Aprano, you are a prick.
>
> > And your reasons for coming to that stridently expressed conclusion
> > after reading a posting that was *not* addressed to you are .....?
>
> Because his tone is extremely condescending and quite frankly
> annoying. From this post to others, his terse remarks scar this
> community and fade its atmosphere of friendliness.

And your response was any better because...?

> -----Original Message-----
> From: python-list-bounces+jr9445= [mailtoython-
> list-bounces+jr9445=] On Behalf Of John Machin
> Sent: Wednesday, January 23, 2008 5:48 PM
> To: python-
> Subject: Re: Stripping whitespace
>
> On Jan 24, 7:57 am, "Reedick, Andrew" <jr9...@ATT.COM> wrote:
> >
> > Why is it that so many Python people are regex adverse? Use the
> dashed
> > line as a regex. Convert the dashes to dots. Wrap the dots in
> > parentheses. Convert the whitespace chars to '\s'. Presto!
> Simpler,
> > cleaner code.
>
> > pattern = re.sub(r'-', r'.', line)
> > pattern = re.sub(r'\s', r'\\s', pattern)
> > pattern = re.sub(r'([.]+)', r'(\1)', pattern)
>
> Consider this:
> pattern = ' '.join('(.{%d})' % len(x) for x in line.split())
>

Good. But the main drawback to using split+join is that it works if
there is only one whitespace char acting as a column separator
(split+join will compress multiple whitespace characters down to one
char.) Normally, it's safe to assume a one character separator between
columns, however since the input is supposed to be tab delimited (but
wasn't) and tabs tend to get randomly converted to spaces depending on
which butterfly is flapping its wings at any given instant, keeping the
original whitespace column separators is probably a good idea.



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