From: Dave Burt <dave@...>
Date: 2005-01-27T11:25:55+09:00
Subject: Re: When little languages grow...

"ts" <decoux@moulon.inra.fr> wrote:
>>>>>> "H" == Hugh Sasse Staff Elec Eng <hgs@dmu.ac.uk> writes:
>
> H>          Thread.new(input){|source|
> H>            $SAFE=5
> H>            instance_eval source
> H>          }.value
>
> Sorry to say this but this is the most common error that I see when
> someone try to eval some code with $SAFE >= 4
>
> The code will be eval'ed with $SAFE >= 4 but the result (#value) will be
> used with $SAFE = 0 and you can have problems.
>
> The result of #eval must be cleaned with $SAFE >= 4, before it's
> returned.

Hi,

I'm having trouble understanding what you mean by this. Can you say it in 
Ruby?

Cheers,
Dave