Ruby Essential Training Part 3: Files, Formats, Templates

Use Ruby to interact with the file system. Learn how to read and write to files, import and export data, create reusable templates, and find and organize files and directories.

Introduction

• Learn the essentials of working with files in Ruby
• What you need to know

1. The File System

• Input/output basics
• File system basics
• Types of file paths
• File permissions

2. Work with Files

• Access files
• Write to files
• Read from files
• File pointer
• Read or write an entire file
• Rename, delete, copy
• Examine file details
• Challenge: List maker
• Solution: List maker

3. Work with Directories

• Create directories
• Change directories
• Entries
• Glob
• Challenge: Multi-list maker
• Solution: Multi-list maker

4. Common Data Formats

• CSV
• CSV to hashes
• YAML
• JSON
• XML

5. ERB Templating

• Embed Ruby
• Binding
• Template files
• Challenge: Mail merge
• Solution: Mail merge

Conclusion

• Next steps