From: "David A. Black" <dblack@...>
Date: 2008-12-15T21:11:47+09:00
Subject: [ruby-core:20569] Re: ruby -p behavior in 1.9

Bump. Sorry; I don't usually do this, but not sure what to put in book
about this one so am escalating.


David

On Sun, 14 Dec 2008, David A. Black wrote:

> Hi --
>
> Is this expected/correct behavior for 1.9? (Today's SVN head.)
>
> david-blacks-macbook:~ dblack$ ruby19 -pe 'gsub(/a/,"b")'
> a
> -e:1:in `<main>': undefined method `gsub' for main:Object
> (NoMethodError)
>
> david-blacks-macbook:~ dblack$ ruby19 -pe '$_.gsub(/a/,"b")'
> a
> a
>
> david-blacks-macbook:~ dblack$ ruby19 -pe '$_.gsub!(/a/,"b")'
> a
> b
>
> In other words, only gsub! with an explicit $_ has any effect.
>
>
> David
>
> -- 
> David A. Black / Ruby Power and Light, LLC
> Ruby/Rails consulting & training: http://www.rubypal.com
> Coming in 2009: The Well-Grounded Rubyist (http://manning.com/black2)
>

-- 
David A. Black / Ruby Power and Light, LLC
Ruby/Rails consulting & training: http://www.rubypal.com
Coming in 2009: The Well-Grounded Rubyist (http://manning.com/black2)