From: Johan Holmberg <holmberg@...>
Date: 2003-09-24T22:29:42+09:00
Subject: Setting "variable" global variable ?


Hi !

I wonder if there is any way in Ruby of setting a "variable" global
variable at runtime, without  using "eval".

For example, could the following be done without "eval":

      def my_set_global_variable(name, val)
	  eval "#{name} = #{val.inspect}"
      end

      my_set_global_variable("$foo", [1,2,3])

      p $foo          # gives [1, 2, 3]


I would like to avoid "serializing" the "val" value above
(done with the "inspect" call), and assign the original "val"
directly instead.

For instance variables there is "instance_variable_set", but is
there something corresponding for global variables ?

/Johan Holmberg