streams/piped

27.js

var nano  = require('nano');
var request = require('request');
var spawn = require('child_process').spawn;

var server = nano('http://127.0.0.1:5984');
var createDbStream = server.db.create('pipe');

createDbStream.on('end', function () {
  var db = server.use('pipe');

  request
    .get('http://nodejs.org/logo.png')
    .pipe(db.attachment.insert('nodejs', 'logo.png', null, 'image/png'));

  spawn('open', ['http://127.0.0.1:5984/pipe/nodejs/logo.png']);
});