From: Robert Dober <robert.dober@...>
Date: 2008-03-08T00:10:44+09:00
Subject: Re: Meta Programming Question

On Fri, Mar 7, 2008 at 8:37 AM, Pit Capitain <pit.capitain@gmail.com> wrote:
> 2008/3/5, MohsinHijazee <mohsinhijazee@gmail.com>:
>
> >  If I have a hash like this which contains code snippets as strings,
>  >  How can I execute them? Moreover consider also that the second code
>  >  snippet uses the value of the variable assigned in the first one.
>
>  Mohsin, as others have mentioned you should probably use other
>  libraries, but just in case you want to continue to eval strings,
>  there's no problem with assigning variables and using them later:
>
>  irb(main):001:0> eval "var = 123"
>  => 123
>  irb(main):002:0> eval "2 * var"
>  => 246
>  irb(main):003:0>
>
>  Regards,
>  Pit
>
>
This does not really serve a lot as var is visible in the eval binding *only*.
E.g.
puts var # will not output 123, not even 42 ;)


Cheers
Robert


-- 
http://ruby-smalltalk.blogspot.com/

---
Whereof one cannot speak, thereof one must be silent.
Ludwig Wittgenstein