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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 respectiveman pages for details.

⚠️⚠️ I'm no longer actively working on this repo. Instead, I've converted existing chapters into ebooks (seeebook 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. Since all the chapters have been converted, I'm archiving this repo.

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

• CLI text processing with GNU grep and ripgrep
• CLI text processing with GNU sed
• CLI text processing with GNU awk
• Ruby One-Liners Guide
• Perl One-Liners Guide
• CLI text processing with GNU Coreutils
• Linux Command Line Computing

Seehttps://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:

• Cat, Less, Tail and Head
  • cat, less, tail, head, Text Editors
• GNU grep
• GNU sed
• GNU awk
• Perl the swiss knife
• Ruby one liners
• Sorting stuff
  • sort, uniq, comm, shuf
• Restructure text
  • paste, column, pr, fold
• Whats the difference
  • cmp, diff
• Wheres my file
• File attributes
  • wc, du, df, touch, file
• Miscellaneous
  • cut, tr, basename, dirname, xargs, seq

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

• Using the sort command
• Using uniq and comm

See also my short videos onLinux command line tips

Check outexercises directory to solve practice questions ongrep, right from the command line itself.

See also myTUI-apps repo for interactive CLI text processing exercises.

• Pleaseopen 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 atecho 'yrneaolrknzcyr.arg@tznvy.pbz' | tr 'a-z' 'n-za-m' or send a DM viatwitter

• unix.stackexchange andstackoverflow - for getting answers to pertinent questions as well as sharpening skills by understanding and answering questions
• Forums likeLinux users,/r/commandline/,/r/linux/,/r/ruby/,news.ycombinator,devup and others for valuable feedback (especially spotting mistakes) and encouragement
• Seewikipedia entry 'Roses Are Red' forpoem.txt used as sample text input file

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