learnbyexample / Command-line-text-processing

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Command Line Text Processing

Learn about various commands available for common and exotic text processing needs. Examples have been tested on GNU/Linux - there'd be syntax/feature variations with other distributions, consult their respective man pages for details.

⚠️ ⚠️ I'm no longer actively working on this repo. Instead, I've been converting existing chapters into ebooks (see ebook section below for links), available under the same license. These ebooks are better formatted, updated for newer versions of the software, includes exercises, solutions, etc. Once all the chapters have been converted, I'll be archiving this repo.


Individual online ebooks with better formatting, explanations, exercises, solutions, etc:

See https://learnbyexample.github.io/books/ for links to pdf/epub versions and other ebooks.


As mentioned earlier, I'm no longer actively working on these chapters:

Webinar recordings

Recorded couple of videos based on content in the chapters, not sure if I'll do more:


Check out exercises directory to solve practice questions on grep, right from the command line itself.


  • Please open an issue for typos or bugs
    • As this repo is no longer actively worked upon, please do not submit pull requests
  • Share the repo with friends/colleagues, on social media, etc to help reach other learners
  • In case you need to reach me, mail me at echo 'yrneaolrknzcyr.arg@tznvy.pbz' | tr 'a-z' 'n-za-m' or send a DM via twitter



This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License

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