From: Brian Candler <b.candler@...>
Date: 2010-09-26T15:54:35+09:00
Subject: Re: bug in gsub(?)

Chad Perrin wrote:
> I've wondered for quite a while what was the rationale for having \1 in
> the first place.

Ruby inherits a lot from Perl, and Perl from sed.

Some of the Perlisms are IMO superfluous - in particular the Kernel 
methods which operate on $_, and the flip-flop conditional operators.

Objects would be much tidier if they didn't inherit Kernel#gets, 
Kernel#gsub etc; and you'd avoid some confusing error messages like

irb(main):001:0> 3.gsub(/a/,'b')
NoMethodError: private method `gsub' called for 3:Fixnum

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