#!/usr/bin/env ruby
# This code comes from http://ruby-it.org/pages/Scuse+Frequenti
# Check the page for copyright notice and explanations



 def met(x,y)
  return x,y
 end

 def met(x,y)
  x+y
 end

 def doppio(x)
  return x*2
 end

 val=gets
 puts(doppio(val))

 #define char int

<code>
#!/usr/bin/env ruby
# Questo file è salvato in utf-8
$KCODE = 'u'
require 'jcode'
s = "10 €"
puts s.length # Stampa 6
puts s.jlength # Stampa 4
# EOF
</code>