Perl 6 by Example
Perl 6 by Example

Retired

This book is no longer available for sale.

Perl 6 by Example

This book is 85% complete

Last updated on 2018-09-10

About the Book

This book will be published by Apress as Perl 6 Fundamentals A Primer with Examples, Projects, and Case Studies. All readers who have purchased it so far will get a free ebook version of th finished book.

About the Author

Moritz Lenz
Moritz Lenz

Moritz is a Perl 6 core developer. He has contributed signficantly to the official test suite, the Rakudo Perl 6 compiler, and is the initiatior of the official Perl 6 documentation project. He has also authored several modules, and runs infrastructure for the Perl 6 community. In his day job, he develops Perl 5 and Python code, and maintains a Continuous Delivery system for his employer.

Table of Contents

  • 1. How To Get a Copy of the Apress Version of This Book
  • Foreword
  • 2. What is Perl 6?
    • 2.1 Perl 5, the Older Sister
    • 2.2 Library Availability
    • 2.3 Why Should I Use Perl 6?
    • 2.4 Summary
  • 3. Running Rakudo Perl 6
    • 3.1 Installers
    • 3.2 Docker
    • 3.3 Building from Source
    • 3.4 Testing your Rakudo Star Installation
    • 3.5 Documentation
    • 3.6 Summary
  • 4. Formatting a Sudoku Puzzle
    • 4.1 Making the Sudoku Playable
    • 4.2 Shortcuts, Constants, and more Shortcuts
    • 4.3 IO and other Tragedies
    • 4.4 Get Creative!
    • 4.5 Summary
  • 5. Datetime Conversion for the Command Line
    • 5.1 Libraries to the Rescue
    • 5.2 DateTime Formatting
    • 5.3 Looking the Other Way
    • 5.4 Dealing with Time
    • 5.5 Tighten Your Seat Belt
    • 5.6 MAIN Magic
    • 5.7 Automated Tests
    • 5.8 Summary
  • 6. Testing say()
    • 6.1 Summary
  • 7. Silent Cron, a Cron Wrapper
    • 7.1 Running Commands Asynchronously
    • 7.2 Implementing Timeouts
    • 7.3 More on Promises
    • 7.4 Possible Extensions
    • 7.5 Refactoring and Automated Tests
      • Refactoring
      • Mocking and Testing
      • Improving Reliability and Timing
      • Installing a Module
    • 7.6 Summary
  • 8. Stateful Silent Cron
    • 8.1 Persistent Storage
    • 8.2 Developing the Storage Backend
    • 8.3 Using the Storage Backend
    • 8.4 Room for Expansion
    • 8.5 Summary
  • 9. Review of the Perl 6 Basics
    • 9.1 Variables and Scoping
    • 9.2 Subroutines
    • 9.3 Classes and Objects
    • 9.4 Concurrency
    • 9.5 Outlook
  • 10. Parsing INI files using Regexes and Grammars
    • 10.1 Regex Basics
      • Character Classes
      • Quantifiers
      • Alternatives
    • 10.2 Parsing the INI Primitives
    • 10.3 Putting Things Together
    • 10.4 Backtracking
    • 10.5 Grammars
    • 10.6 Extracting Data from the Match
    • 10.7 Generating Good Error Messages
      • Failure is Normal
      • Detecting Harmful Failure
      • Providing Context
      • Shortcuts for Parsing Matching Pairs
    • 10.8 Write Your Own Grammars
    • 10.9 Summary
  • 11. A File and Directory Usage Graph
    • 11.1 Reading File Sizes
    • 11.2 Generating a Tree Map
    • 11.3 Flame Graphs
    • 11.4 Functional Refactorings
    • 11.5 More Language Support for Functional Programming
    • 11.6 More Improvements
    • 11.7 Explore!
    • 11.8 Summary
  • 12. A Unicode Search Tool
    • 12.1 Code Points, Grapheme Clusters and Bytes
    • 12.2 Numbers
    • 12.3 Other Unicode Properties
    • 12.4 Collation
    • 12.5 Summary
  • 13. Plotting Using Inline::Python and Matplotlib
    • 13.1 Extracting the Stats
    • 13.2 Plotting with Python
    • 13.3 Bridging the Gap
    • 13.4 Using the Bridge to Plot
    • 13.5 Stacked Plots
    • 13.6 Idiomatic Use of Inline::Python
      • Types of Python APIs
      • Mapping the Function API
      • An Object-Oriented Interface
    • 13.7 Summary
  • 14. What’s Next?
    • 14.1 Scaling Your Codebase
    • 14.2 Packaging Your Application
      • Packaging as a Traditional Perl 6 Module
      • Deploying with Docker
      • Windows Installers
    • 14.3 Closing Thoughts
  • Acknowledgements
  • Notes

Authors have earned$8,086,174writing, publishing and selling on Leanpub,
earning 80% royalties while saving up to 25 million pounds of CO2 and up to 46,000 trees.

Learn more about writing on Leanpub

The Leanpub 45-day 100% Happiness Guarantee

Within 45 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.

See full terms

Free Updates. Free App. DRM Free.

If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).

Most Leanpub books are available in PDF (for computers), EPUB (for phones and tablets), MOBI (for Kindle) and in the free Leanpub App (for Mac, Windows, iOS and Android). The formats that a book includes are shown at the top right corner of this page.

Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.

Learn more about Leanpub's ebook formats and where to read them

Write and Publish on Leanpub

You can use Leanpub to easily write, publish and sell in-progress and completed ebooks and online courses! Leanpub is a powerful platform for serious authors, combining a simple, elegant writing and publishing workflow with a store focused on selling in-progress ebooks. Leanpub is a magical typewriter for authors: just write in plain text, and to publish your ebook, just click a button. It really is that easy.

Learn more about writing on Leanpub