Express.js file-upload with error-handling.

main.jade

!!!
head
  title express-uploader
body
  h1 express-uploader
  p
    a(href="/uploads") Uploaded files
  p
    form(action="/save", method="post", enctype="multipart/form-data")
      input(type="file", name="upload")
      input(type="submit", value="upload")

server.js

var express = require('express'),
    app = express(),
    server = require('http').createServer(app).listen(9999),
    publicPath = __dirname + '/public';

app.set('view engine', 'jade');
app.set('views', __dirname + '/views');
app.use(express.favicon());
app.use(express.bodyParser({keepExtensions: true, uploadDir: publicPath + '/uploads'}));

app.post('/save', saveFile);
app.get('/', mainView);

app.use(express.directory(publicPath));
app.use(express.static(publicPath));

app.use(function (req, res, next) {
    next('Not found');
});

app.use(function (err, req, res, next) {
    res.send((err.status || 500), err.message);
});

function saveFile(req, res, next) {
    res.redirect('/');
    console.log(req.files);
}

function mainView(req, res, next) {
    res.render('main');
}