# file: runme.rb require 'example' # Call our gcd() function x = 42 y = 105 g = Example.gcd(x,y) printf "The gcd of %d and %d is %d\n",x,y,g # Manipulate the Foo global variable # Output its current value print "Foo = ", Example.Foo, "\n" # Change its value Example.Foo = 3.1415926 # See if the change took effect print "Foo = ", Example.Foo, "\n"