From: knohr <just_a_techie200x@...>
Date: 2007-06-14T06:50:09+09:00
Subject: Re: question: referencing a variable with a variable

On Jun 13, 2:26 pm, knohr <just_a_techie2...@yahoo.com> wrote:
> I come from a perl background.  I have gotten in the habit of using
> references to variables instead of specifically calling said variable/
> class/whatever.
>
> Basically, I am wondering how I would translate the following into
> ruby.
>
> example 1:
> sub my_sub
>   {
>   $choice = shift;
>   $choices="this|that|foo|bar";
>   if ( $choice =~ m/($choices)/ ) {&$choice}
>   else {die "some witty msg"}
>   }
>
> example 2:
>
> $this = 'var_name';
> $var_name = 'i want this to print';
> print $$var_name . "\n";
>
> thanks

s/print $$var_name/print $$this/