From: Michael Campbell <michael_s_campbell@...>
Date: 2003-05-23T05:49:13+09:00
Subject: Re: why is "does" missing from this sub!-stitution?

> > `fortune -m Nillity`.each do |x|
> >    x.sub!( /(_+\010+)([a-zA-Z]+)/, "-->#{$2}<--" )
> >    print x
> > end
> 
> The second argument is evaluated only once (think about it), on
> method
> call, when $2 == nil.
> 
> use 
>    x.sub!( /(_+\010+)([a-zA-Z]+)/ ) { "-->#{$2}<--" }


I've thought about it and still don't get it.

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