From: why the lucky stiff <ruby-talk@...>
Date: 2005-01-27T02:55:52+09:00
Subject: Re: When little languages grow...

Hugh Sasse Staff Elec Eng (hgs@dmu.ac.uk) wrote:
> The application is immaterial at the moment, but the problem is that
> I need to do more than can be done with a simple case statement, and
> if I were to use case statements managing the problem would get too
> big.
> 
> ...
> 
> So the next possibility is to use something like
> 
>         input = nil
>         File.open("input.txt"){|f|
>           input = f.read
>         }
>         Thread.new(input){|source|
>           $SAFE=5
>           instance_eval source
>         }.value
> 
> or something, and actually make the commands in the language methods
> of some Ruby object.

I hear ya.  I wish there was a way to open a jailed namespace.  It'd be
like chroot'ing into a module.  The sandbox module would be addressable
from ::Object, but would only include a limited set of modules when
offered under chroot.

_why