FernyB

#!/usr/bin/env ruby

String.class_eval {
  define_method(:translate_to) do |lang|
    text = case lang
           when :spanish
           "Buenos Dias, Como estas hoy?"
           when :english
           "Good Morning, How are you today?"
           else
           "I don't speak any other language."
           end
  end
}

puts "Sentence".translate_to :spanish
# => Prints out "Buenos Dias, Como estas hoy?"

puts "Sentence".translate_to :english
# => Prints out "Good Morning, How are you today?"

puts "Setenece".translate_to :portuguese
# => Prints out "I don't speak any other language."

puts "Sentence"
# => Prints out "Sentence"