gistfile1.js

var main = function(continets){
  var counter = 0;
  var agencies = [];
  
  var on_complete = function(err, data){
    agencies = agencies.concat(data);
    counter++;
  }
  
  async.each(continents, 
    function (url, next) {
      p.process(url, on_complete);
    },
    function (err) {
      if (err) { 
        console.log(err); 
      }
    }
  );

}