GNU GREP and RIPGREP

Example based guide to mastering GNU grep and ripgrep.

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:

• https://learnbyexample.gumroad.com/l/gnugrep_ripgrep
• https://leanpub.com/gnugrep_ripgrep

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

• Magical one-liners bundle from https://learnbyexample.gumroad.com/l/oneliners or https://leanpub.com/b/oneliners
• Awesome Regex bundle from https://learnbyexample.gumroad.com/l/regex or https://leanpub.com/b/regex
• All books bundle bundle from https://learnbyexample.gumroad.com/l/all-books
  • Includes all my programming books

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 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_gnugrep_ripgrep/

Feedback

Open an issue if you spot any typo/errors.

:warning: :warning: 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. Introduction
3. Frequently used options
4. BRE/ERE Regular Expressions
5. Context matching
6. Recursive search
7. Miscellaneous options
8. Perl Compatible Regular Expressions
9. Gotchas and Tricks
10. ripgrep
11. Further Reading

Acknowledgements

• GNU grep documentation — manual and examples
• ripgrep — user guide and examples
• stackoverflow and unix.stackexchange — for getting answers to pertinent questions on bash, grep and other commands
• tex.stackexchange — for help on pandoc and tex related questions
• Cover image
  • LibreOffice Draw
  • detective by olarte.ollie under Creative Commons Attribution-Share Alike 2.0 Generic
• pngquant and svgcleaner for optimizing images
• softwareengineering.stackexchange and skolakoda for programming quotes
• Warning and Info icons by Amada44 under public domain
• Andrew Gallant (author of ripgrep) and mikeblas for critical feedback
• mdBook — for web version of the book
  • mdBook-pagetoc — for adding table of contents for each chapter
  • minify-html — for minifying html files

Special thanks to all my friends and online acquaintances for their help, support and encouragement, especially during difficult times.

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