Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Learn Red ? Fundamentals of Red

You're reading from   Learn Red ? Fundamentals of Red Get up and running with the Red language for full-stack development

Arrow left icon
Product type Paperback
Published in May 2018
Publisher Packt
ISBN-13 9781789130706
Length 252 pages
Edition 1st Edition
Arrow right icon
Author (1):
Arrow left icon
Ivo Balbaert Ivo Balbaert
Author Profile Icon Ivo Balbaert
Ivo Balbaert
Arrow right icon
View More author details
Toc

Table of Contents (13) Chapters Close

Preface 1. Red's Mission FREE CHAPTER 2. Setting Up for Development 3. Using Words, Values, and Types 4. Code-Controlling Structures 5. Working with Series and Blocks 6. Using Functions and Objects 7. Working with Files 8. Parsing Data 9. Composing Visual Interfaces 10. Advanced Red 11. Assessments
12. Other Books You May Enjoy

Reading and writing data files

The read and write words are good examples of the generalized way in which Red words work. They are used to read and write all sorts of files (text and binary data), but you can also use them with network ports or URLs (see the stock quotes example later in this chapter). If you have worked with files in other languages, you'll appreciate their ease of use; in Red, there is no need to open a file in a certain mode and close it afterwards!

Let's work with the exact same data from our contacts series example in Chapter 5, Working with Series and Blocks:

;-- see Chapter07/reading-and-writing-files.red:
contacts: [
"John Smith" "123 Tomline Lane Forest Hills, NJ" "555-1234"
"Paul Thompson" "234 Georgetown Pl. Grove, AL" "555-2345"
"Jim Persee" "345 Pickles...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image