curl http://npmjs.org/install.sh | sh

 npm install say

  var say = require('say'),
  colors = require('colors'),
  sys = require('sys');

  // no callback, fire and forget
  say.speak('Alex', 'whats up, dog?');

  // no callback, fire and forget
  say.speak('Cellos', 'whats up, dog?');

  // output some text to the console as the callback
  say.speak('Good News', 'whats up, dog?', function () {
    sys.puts('text to speech complete'.green);
  });


  // try using translate.js with say.js
  var translate = require('translate');

  translate.text('Yo quero tacos por favor', function(result){
    say.speak('Alex', result);
  });