learnbyexample / learn_ruby_oneliners

Example based guide for text processing with Ruby from the command line

Home Page:https://learnbyexample.github.io/learn_ruby_oneliners/

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Ruby one-liners cookbook

Example based guide for text processing with ruby from the command line.

The book also includes exercises to test your understanding, which is presented together as a single file in this repo - Exercises.md

For solutions to the exercises, see Exercise_solutions.md.

See Version_changes.md to keep track of changes made to the book.


E-book

You can purchase the pdf/epub versions of the book using these links:

You can also get the book as part of these bundles:

See https://learnbyexample.github.io/books/ for list of other books

For a preview of the book, see sample chapters

The book can also be viewed as a single markdown file in this repo. See my blogpost on generating pdf/epub from markdown using pandoc if you are interested in the ebook creation process.

For web version of the book, visit https://learnbyexample.github.io/learn_ruby_oneliners/


Testimonials

This Ruby one-liners cookbook is incredible. Pretty mind boggling all the stuff you can do.

feedback on twitter


Feedback

Please open an issue if you spot any typo/errors.

⚠️ ⚠️ Please DO NOT submit pull requests. Main reason being any modification requires changes in multiple places.

I'd also highly appreciate your feedback about the book.

Twitter: https://twitter.com/learn_byexample


Table of Contents

  1. Preface
  2. One-liner introduction
  3. Line processing
  4. Field separators
  5. Record separators
  6. Multiple file input
  7. Processing multiple records
  8. Two file processing
  9. Dealing with duplicates
  10. Processing structured data

Acknowledgements

A heartfelt thanks to all my readers. Your valuable support has significantly eased my financial concerns and allows me to continue writing books.


License

The book is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License

The code snippets are licensed under MIT, see LICENSE file

About

Example based guide for text processing with Ruby from the command line

https://learnbyexample.github.io/learn_ruby_oneliners/

License:MIT License


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