From: ara.t.howard@...
Date: 2007-04-05T04:17:32+09:00
Subject: Re: Problem Extracting Array Values

On Thu, 5 Apr 2007, Phrogz wrote:

> On Apr 4, 11:34 am, Brian Candler <B.Cand...@pobox.com> wrote:
>> On Thu, Apr 05, 2007 at 01:05:44AM +0900, Dustin Anderson wrote:
>>> is there a simple way in ruby to build an array from a string like this:
>>
>>> block1,block2,block3 to an array that is like this:
>>
>>> ["block1", "block2", "block3"]
>>
>> I always thought that Object#inspect could be considered as a (crude) form
>> of object serialisation, and it would be really useful to have a reverse
>> "uninspect" operation to recreate the object from it again. Has anyone
>> written such a parser?
>
> irb(main):001:0> a1 = ["foo",/bar/,42,false,nil]
> => ["foo", /bar/, 42, false, nil]
> irb(main):002:0> s = a1.inspect
> => "[\"foo\", /bar/, 42, false, nil]"
> irb(main):003:0> a2 = eval(s)
> => ["foo", /bar/, 42, false, nil]
> irb(main):004:0> a1 == a2
> => true
>
> So:
>
> class String
>  def uninspect
>    eval(self)
>  end
> end

yeah.  maybe

   class String
     def uninspect
       Thread.new {
         $SAFE=4
         begin
           eval self
         rescue Exception => e
           e
         end
       }
     end
   end

though.

-a
-- 
be kind whenever possible... it is always possible.
- the dalai lama