From: SonOfLilit <sonoflilit@...>
Date: 2007-02-20T10:46:58+09:00
Subject: Re: Strange question: Convert string to array name

There should be, also I don't remember it.

For all kinds of variables except for local I know the ways, but local
elludes me :)

Aur Saraf

PLUG: http://rubymentor.rubyforge.org/wiki/wiki.pl

On 2/20/07, kenbo <kenneth.moorman@gmail.com> wrote:
> On Feb 19, 7:59 pm, Aaron Patterson <aaron_patter...@speakeasy.net>
> wrote:
> > On Tue, Feb 20, 2007 at 09:20:13AM +0900, kenbo wrote:
> > > I am coming to Ruby from LISP where I was more competent when it came
> > > to symbol
> > > manipulation :-)   I have spent some time trying to solve this problem
> > > and figure it's my
> > > general lack of deep knowledge ala Ruby that keeps me from seeing an
> > > "easy" solution.
> >
> > > With that said, I apologize if this has been answered and I missed
> > > it.
> >
> > > I have astringin a variable.
> > > foo = "bobo"
> >
> > > I want to use foo to access anarraycalled bobo.   I will have bobo
> > > defined already.
> >
> > > Is there a way to do this?
> >
> > eval() might be what you're looking for.  You can use eval to return thearraythen index in to it.  Here's an example from:
> >
> > irb(main):001:0> awesome_array = %w{ one two three four five }
> > => ["one", "two", "three", "four", "five"]
> > irb(main):002:0> foo = 'awesome_array'
> > => "awesome_array"
> > irb(main):003:0> puts eval(foo)[1]
> > two
> > => nil
> > irb(main):004:0>
> >
> > Hope that helps!
> >
> > --
> > Aaron Pattersonhttp://tenderlovemaking.com/- Hide quoted text -
> >
> > - Show quoted text -
>
> Thanks for the folks that mentioned eval---I thought of that after the
> posting but
> assumed that, as in LISP, there might be a better way to accomplish
> it :-)
>
> It's nice to see more similarities between LISP and Ruby.
>
> kenny
>
>
>