CoffeeScript + Rhino

func.coffee

hello = (name) ->
    print "Hello #{name} !"

hello "Java"

func.js

(function() {
  var hello;

  hello = function(name) {
    return print("Hello " + name + " !");
  };

  hello("Java");

}).call(this);

shell

~/tmp/coffeerhino% coffee -c func.coffee
~/tmp/coffeerhino% rhino func.js        
Hello Java !
~/tmp/coffeerhino%