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Node Cookbook

You're reading from   Node Cookbook Actionable solutions for the full spectrum of Node.js 8 development

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Product type Paperback
Published in Jul 2017
Publisher Packt
ISBN-13 9781785880087
Length 656 pages
Edition 3rd Edition
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Authors (4):
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David Mark Clements David Mark Clements
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David Mark Clements
Peter Elger Peter Elger
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Peter Elger
Mathias Buus Madsen Mathias Buus Madsen
Author Profile Icon Mathias Buus Madsen
Mathias Buus Madsen
Matteo Collina Matteo Collina
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Matteo Collina
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Toc

Table of Contents (12) Chapters Close

Preface 1. Debugging process* FREE CHAPTER 2. Writing Modules 3. Coordinating I/O 4. Using Streams 5. Wielding Web Protocols 6. Persisting to Databases 7. Working with Web Frameworks 8. Dealing with Security 9. Optimizing Performance 10. Building Microservice Systems 11. Deploying Node.js

Using the pipe method

A pipe is used to connect streams together. DOS and Unix-like shells use the vertical bar (|) to pipe the output of one program to another; we can chain several pipes together to process and massage data in a number of ways.

Likewise, the Streams API affords us the pipe method to channel data through multiple streams. Every readable stream has a pipe method that expects a writable stream (the destination) as its first parameter.

In this recipe, we're going to pipe several streams together.

Getting ready

Let's create a folder called piper, initialize it as a package, install tar-map-stream, and create an index.js file:

$ mkdir piper 
$ cd piper
$ npm init -y
$ npm install tar-map-stream
$ touch...
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