Zip archives in node.js

node-core has built in zip features: http://nodejs.org/api/zlib.html

Use them:

var zlib = require('zlib');
var gzip = zlib.createGzip();
var fs = require('fs');
var inp = fs.createReadStream('input.txt');
var out = fs.createWriteStream('input.txt.gz');

inp.pipe(gzip).pipe(out);