gistfile1.txt

'use strict';

var request = require('request');
var fs = require('fs');

var count = 2000;

for (let i = 0; i < count; i++) {
    var stream = fs.createWriteStream('file' + i + '.png');
    request('https://www.baidu.com/img/bd_logo1.png').pipe(stream);
}

setTimeout(function () {
    console.log('TIMEOUT');
}, 10000);