From: aurelianito <aurelianocalvo@...>
Date: 2007-05-17T13:20:14+09:00
Subject: Coopting String interpolation

We all know the #{} operator for String interpolation.
It's used like this:

name="Aure"
greeting="hi, #{name}"

and greeting evaluates to "hi, Aure". But I would like to change it.
Is there a pure Ruby way to force "hi, #{name}" to evaluate to "hi,
AURE" (get the uppercase of the original interpolated String).
Something like:

class String
   # do some magic here
end

name="Aure"
greeting="hi, #{name}"

and now greeting evaluates to "hi, AURE". Is there a method in String
to override in order to take control of the String interpolation?

Thanks in advance,
Aureliano.