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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
Languages
Tools
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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* 2. Writing Modules FREE CHAPTER 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

Fetching metadata

Reading directory listings, fetching permissions, and getting the time of creation and modification. These are all essential pieces of the filesystem tool kit.

fs and POSIX
Most of the fs module methods are light wrappers around POSIX operations (with shims for Windows), so many of the concepts and names should be similar if we've indulged in any system programming or even shell scripting.

In this recipe, we're going to write a CLI tool that supplies in-depth information about files and directories for a given path.

Getting ready

To get started, let's create a new folder called fetching-meta-data, containing a file called meta.js:

$ mkdir fetching-meta-data 
$ cd fetching-meta-data
$ touch meta...
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