From: Robert Klemme <shortcutter@...>
Date: 2009-05-04T20:14:23+09:00
Subject: Re: problem accessing variables in module

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2009/5/4 Tom Cloyd <tomcloyd@comcast.net>:
> I keep getting blocked trying to do a very simple thing - I want to
> "include" - in the sense of causing a mere insertion of text - some
> variables and methods, residing in an external file, in my main code. I j=
ust
> want my main to read a file and insert what's in it into the code stream =
and
> then forget where it came from. Apparently this isn't possible in any way=
,
> sadly.

That sounds as if you wanted to do

class SN
  eval(File.read("utils.rb")) # utils.rb contains method definitions etc.
end

> So, trying to play the game according to the rules, I find that a mere
> "require {filename}", then an =A0"include {module name in that file}" doe=
sn't
> do it, because the namespaces aren't merged, as I would have expected. (A=
n
> include that doesn't include? Huh?)

> I realize a real Ruby programmer would start creating classes everywhere =
and

You do have classes already. :-)

> then it would all work (I guess). I'm trying very hard to keep it simple,
> because the concept is simple. =A0I don't need/want a class. Just the
> variable, which is initialized in the module. Simple idea - not simple to=
 do
> - or at least I haven't discovered how to do it.

> Can someone give me the "missing piece" or suggest what I need to do to g=
et
> this working?

There's a sample attached which allows do extend individual instances
as well as include in classes.

Kind regards

robert


--=20
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/

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