From: Chirantan <chirantan.rajhans@...>
Date: 2008-01-24T14:04:56+09:00
Subject: Re: Help with eval

On Jan 24, 5:50 am, "ara.t.howard" <ara.t.how...@gmail.com> wrote:
> On Jan 23, 2008, at 4:06 PM, Keith Carter wrote:
>
> > Wow. That is weird. I think evals are scoped as blocks. I'm going to
> > play with this for a bit.
>
> variables created in eval can only been seen from eval.  when you are
> irb you are already inside eval.  there are some exceptions - search
> the archives.
>
> if you post what you are trying to accomplish perhaps someone can
> help - no pattern that relies on eval creating vars in the local
> scope is going to pan out too well without a little dsl or some
> hackery - eval just won't suffice.
>
> regards.
>
> a @http://codeforpeople.com/
> --
> share your knowledge.  it's a way to achieve immortality.
> h.h. the 14th dalai lama

 begin
  eval("bar=1")
  puts bar
 end

Gives me and error too. but if I do

 bar = 0
 begin
  eval("bar=1")
  puts bar
 end

It works! I am a ruby rookie so I dont know why this is so.