Solution to Juggling Async problem (Learn You the Node.js)

program.js

// Note: Does not use any external node.js packages.

// *** Exercise 9: JUGGLING ASYNC
var http = require('http');
var count = 3;
var urls = process.argv.slice(2);
var results = [];


function httpGet(index)
{
    results[index] = "";

    http.get(process.argv[index+2], function (response) {
        response.setEncoding("utf8");

        response.on("data", function(data) {
            results[index] = results[index] + data;
        });

        response.on("end", function() {
            count = count - 1;
            if (count <= 0) {
                printResults();
            }
        });
    });
}

for (var i = 0; i < 3; i++) {
    httpGet(i);
}

function printResults() {
   results.forEach(function(r) {
       console.log(r);
   });
}