Ruby Essential Training Part 3: Files, Formats, Templates

Course details

Discover how to use Ruby code to interact with the file system. With Ruby, you can read and write to config files and logs, automate tasks like mail merge, and find and organize files without ever leaving your code editor. In this course, the third in the Ruby Essential Training series, Kevin Skoglund reviews the basic techniques for working with files and directories. Learn to find existing files and directories and to create new ones. Discover different techniques for reading and writing data to files. Then learn how to import and export data in popular formats and how to use Embedded Ruby (ERB) to bind dynamic values into reusable file templates. Each lesson is filled with practical examples, and programming challenges allow you to practice your new skills as you progress through the course.

Learning objectives
File system basics
Writing to and reading from files
Renaming, deleting, and copying files
Creating and editing directories
Working with common data formats
ERB templating

Concepts

0. Introduction

01 - Learn the essentials of working with files in Ruby
02 - What you need to know

1. The File System

03 - Input output basics
04 - File system basics
05 - Types of file paths
06 - File permissions

2. Work with Files

07 - Access files
08 - Write to files
09 - Read from files
10 - File pointer
11 - Read or write an entire file
12 - Rename, delete, copy
13 - Examine file details
14 - Challenge - List maker
15 - Solution - List maker

3. Work with Directories

16 - Create directories
17 - Change directories
18 - Entries
19 - Glob
20 - Challenge - Multi-list maker
21 - Solution - Multi-list maker

4. Common Data Formats

22 - CSV
23 - CSV to hashes
24 - YAML
25 - JSON
26 - XML

5. ERB Templating

27 - Embed Ruby
28 - Binding
29 - Template files
30 - Challenge - Mail merge
31 - Solution - Mail merge

Conclusion

32 - Next steps

Ruby Essential Training Part 3: Files, Formats, Templates

Authors

Kevin Skoglund