Raku Fundamentals

1. Front Matter

   Pages i-xvii

   PDF

2. What Is Raku?

   • Moritz Lenz

   Pages 1-6

3. Running Rakudo

   • Moritz Lenz

   Pages 7-12

4. Formatting a Sudoku Puzzle

   • Moritz Lenz

   Pages 13-29

5. Datetime Conversion for the Command Line

   • Moritz Lenz

   Pages 31-51

6. Testing say( )

   • Moritz Lenz

   Pages 53-57

7. Silent-Cron: A Cron Wrapper

   • Moritz Lenz

   Pages 59-80

8. Stateful Silent-Cron

   • Moritz Lenz

   Pages 81-89

9. Review of the Raku Basics

   • Moritz Lenz

   Pages 91-97

10. Parsing INI Files Using Regexes and Grammars

    • Moritz Lenz

    Pages 99-127

11. A File and Directory Usage Graph

    • Moritz Lenz

    Pages 129-152

12. A Unicode Search Tool

    • Moritz Lenz

    Pages 153-160

13. Creating a Web Service and Declarative APIs

    • Moritz Lenz

    Pages 161-176

14. What’s Next?

    • Moritz Lenz

    Pages 177-181

15. Back Matter

    Pages 183-186

    PDF

Gain the skills to begin developing Raku applications from the ground up in this hands-on compact book, which includes a foreword from Larry Wall, creator of Perl. You’ll learn enough to get started building with Raku, using Raku's gradual typing, handy object orientated features, powerful parsing capabilities, and human-usable concurrency. This book has been updated to include the latest version of Raku based upon the Perl 6.d major version which includes over 3,400 new commits in its specification.  

After a short introduction, each chapter develops a small example project, explaining the Raku features used. When the example is done, you’ll explore another aspect, such as optimizing further for readability or testing the code. Along the way you’ll see Raku basics, such as variables and scoping; subroutines; classes and objects; regexes; and code testing.  

When you’ve mastered the basics, Raku Fundamentals moves onto more advanced topics to give you a deeper understanding of the language. You’ll learn, amongst other things, how to work with persistent storage, how to generate good error messages, and how to write tricky applications such as a file and directory usage graph and a Unicode search tool. 

What You Will Learn

Get coding with latest version of Raku

Work on several hands-on examples and projects

Integrate Python libraries into your Raku-based programs

Parse INI files using regexes and grammars

Build a date-time converter 

Carry out refactoring and other automated tests

Who This Book Is For 

If you already know one or more programming languages, and want to learn about Raku, then this book is for you.

• Raku
• Perl 6
• Perl
• example
• programming
• coding
• software
• open source
• fundamentals
• source
• development
• code
• Moritz Lenz

• Fürth, Germany

  Moritz Lenz

Moritz Lenz is a Perl 6, now Raku, core developer. He has contributed significantly to the official test suite, the Rakudo Perl compiler, and is the initiator of the official Raku documentation project. He has also authored several modules, and runs infrastructure for the Raku community. In his day job, he develops Perl 5 and Python code, and maintains a continuous delivery system for his employer.