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

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

E-book

You can purchase the book using these links:

• https://gumroad.com/l/gnugrep_ripgrep
• https://leanpub.com/gnugrep_ripgrep
• You can also get the book as part of Awesome Regex bundle from https://leanpub.com/b/regex or https://gumroad.com/l/regex
• 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.

Feedback

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

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

Goodreads: https://www.goodreads.com/book/show/47406700-gnu-grep-and-ripgrep

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
  • draw.io
  • detective by olarte.ollie under Creative Commons Attribution-Share Alike 2.0 Generic
  • train icon by Yasir Masood under Creative Commons Attribution 3.0 Unported
  • plane icon by Pondok Multimedia
• 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

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