From: Thomas Worm <usenet@...4r.de>
Date: 2007-08-26T18:20:08+09:00
Subject: String interpolation

a = 5
b = "#{a}"
puts b

a = 6
puts b

Returns:
5
5

which is clear to me, why. But is there a way to define such a string and 
interpolate it at a later time?

Thomas