CoffeeScript compiler fun on Ringo

gistfile1.txt

$ wget --no-check-certificate https://raw.github.com/jashkenas/coffee-script/master/extras/coffee-script.js 
$ ringo --optlevel -1 
>> fs = require('fs') 
>> coffee = fs.read('./coffee-script.js').replace(/this\.CoffeeScript/, 'exports.CoffeeScript') 
>> fs.write('./coffee-script.js', coffee) 
>> var {CoffeeScript} = require('./coffee-script') 
>> code = CoffeeScript.compile("do -> 'Hello, Ringo world!'", {bare: true})
'(function() {
  return \'Hello, Ringo world!\';
})();'
>> eval(code) 
'Hello, Ringo world!'