From: Tim Hunter <TimHunter@...>
Date: 2008-09-19T06:27:09+09:00
Subject: Re: variable name

Rick Tan wrote:
> Is there a way in Ruby to use the content of a variable as the name of a
> variable.  For example
> 
> var1 = 'myVar'
> 
> i want to assign a value to 'myVar' by referencing var1.  The name of
> the variable can vary depending on the content of var1.  Other
> application include using a variable to hold the name of a class method
> which i need to call in my code.
> 
> Thanks in advance

In general, no. Most of the time this problem can be solved by using a 
hash. That is,

var1 = 'myVar'
hsh[var1] = value

In the specific case of calling a method whose name is in a variable, 
use send:

var1 = 'my_method'
obj.send(var1, arg1, arg2,...)

-- 
RMagick: http://rmagick.rubyforge.org/