[Python-ideas] This seems like a wart to me...
rhamph at gmail.com
Fri Dec 12 10:23:46 CET 2008
On Fri, Dec 12, 2008 at 1:43 AM, Stephen J. Turnbull <stephen at xemacs.org> wrote:
> Carl Johnson writes:
> > the famed saying of Jamie Zawinski ("Some people, when confronted with
> > a problem, think 'I know, I'll use regular expressions.' Now they
> > have two problems.") is not highly motivating. :-D
> Jamie was talking about the "to a man with a hammer, all problems look
> like thumbs" phenomenon. I've never heard anybody complain that shell
> globs are complex. But regexps will take you a lot farther with just
> character classes  (which most modern shells implement), the
> wildcard character . (usually ? in shells), and the repetition
> operators * and/or + (available only as a variable-length wildcard *
> in shell globs).
> > > In fact, I personally would like to deprecate the with-argument
> > > implementation of string.split(), ....
> > >
> > > Would that work for you?
> > Wouldn't that subtly break the code of everyone who has written
> > something like:
> Indeed it would. That was not a serious proposal. At this point, I'm
> trying to understand the resistence to regexps, not propose an
> improvement for .split().
I'd say the lack of diagnostics when they "fail" is the biggest issue.
I could easily spend half an hour trying random permutations of a
pattern before I figure out why the original didn't work... and I've
had a moderate amount of experience.
Adam Olsen, aka Rhamphoryncus
More information about the Python-ideas