From: Mauricio Fernandez <mfp@...>
Date: 2007-09-12T03:20:25+09:00
Subject: Re: Proposal: runtime-modifying Kernel methods should be keywords

On Tue, Sep 11, 2007 at 09:05:49PM +0900, James Edward Gray II wrote:
> On Sep 10, 2007, at 11:19 PM, murphy wrote:
> >James Edward Gray II schrieb:
> >>>gsub sets $_ in the caller's scope.
> >>
> >>Which is probably another feature of questionable value.  I know it's
> >>handy in one-liners, but outside of that code using $_ has been  out of
> >>fashion for some time now.
>
> >Is it? I've scanned my local gems, and 29 of 34 use $0-9 somewhere.  For
> >example, Rails and HighLine. Actually, I like it better than  MatchData.
> 
> I wasn't speaking of the $0-9 regular expression variables.  Please  
> reread the above.

As nobu said already, gsub actually sets $~, which underlies $0 and friends.

-- 
Mauricio Fernandez