node send file

1var http = require('http'),
2    fileSystem = require('fs'),
3    path = require('path');
4
5http.createServer(function(request, response) {
6    var filePath = path.join(__dirname, 'myfile.mp3');
7    var stat = fileSystem.statSync(filePath);
8
9    response.writeHead(200, {
10        'Content-Type': 'audio/mpeg',
11        'Content-Length': stat.size
12    });
13
14    var readStream = fileSystem.createReadStream(filePath);
15    // We replaced all the event handlers with a simple call to readStream.pipe()
16    readStream.pipe(response);
17})
18.listen(2000);