NodeJS script to download a batch of images one by one

download_images.js

var fs = require('fs'),
    request = require('request');
    images = require('./images') // Array of images urls

var download = function(uri, filename, callback){
  request.head(uri, function(err, res, body){
    request(uri).pipe(fs.createWriteStream(filename)).on('close', callback);
  });
};


var idx = 0;
var getImage = function(image) {
    var parts = image.split('/');
    var filename = parts[7] + '_' + parts[8] + '.jpg'
    idx++

    download(image, filename, function done() {
        console.log('saved: ', filename)
         getImage(images[idx])
    })
}

getImage(images[0])