gzipwords.js
var zlib = require('zlib');
var gzip = zlib.createGzip();
var fs = require('fs');
var gunzip = zlib.createGunzip();
var zipped = fs.createReadStream('words2.txt.gz');
var unzipped = fs.createWriteStream('words3.txt');
var file = zipped.pipe(gunzip).on("end", function (err, data) {
if (err) {
console.log('err:', err);
}
console.log(data);
});