I'mSundeep Agarwal, author ofseveral programming ebooks 📚 and devourer of fantasy books 🧙

I write about Regular Expressions, Linux CLI one-liners, Scripting Languages and Vim. I also maintain severalcurated resource lists.

👉 You can buy PDF/EPUB versions of my books viaLeanpub orGumroad.

✅ Follow me ontwitter andYoutube for interesting tech nuggets.

💻learnbyexample — my super duper awesome programming blog

📖Escapist reviews — lists, reviews and other thoughts about fictional books (fantasy, sci-fi, etc)

Subscribe tolearnbyexample weekly for programming resources, tools, free ebooks and more. This is a free newsletter, delivered every Friday. You'll also get access to all the previous issues.

• Books
  • Understanding Python re(gex)?
  • Linux Command Line Computing
  • CLI text processing with GNU awk
  • Vim Reference Guide
  • Understanding JavaScript RegExp
• Blog posts
  • Customizing pandoc to generate beautiful pdf and epub from markdown
  • I know Python basics, what next?
  • Paying my bills with 'free' ebooks
  • GNU BRE/ERE cheatsheet and differences between grep, sed and awk
  • Vim prank: alias vim='vim -y'
  • Python 3.11: possessive quantifiers and atomic grouping added to re module
  • Python Regex Surprises
  • CLI computation with GNU datamash
  • Coloring matched portions with GNU grep, sed and awk
  • GNU awk idioms explained
• Tools
  • command_help
  • regexp-cut
  • Python re(gex)? exercises
  • Python Exercises
  • Linux CLI Text Processing Exercises
  • Python re(gex)? playground
  • Grep exercises
  • Sed exercises
  • Awk exercises
  • Awk Tutorial

🛈 You can read more about me in thisPyDev of the Week interview.

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1. py_regular_expressionspy_regular_expressionsPublic

   Learn Python Regular Expressions step by step from beginner to advanced levels

   Python 1.8k 226

2. scripting_coursescripting_coursePublic

   📓 Books, reference guides and resources on Regular Expressions, CLI one-liners, Scripting Languages and Vim.

   Vim Script 1.4k 190

3. learn_gnuawklearn_gnuawkPublic

   Example based guide to mastering GNU awk

   Shell 1.1k 80

4. TUI-appsTUI-appsPublic

   Terminal User Interface (TUI) apps

   Python 681 43

5. cli-computingcli-computingPublic

   🐧 Linux command line and Scripting guide for beginner to intermediate users

   Shell 541 118

6. Command-line-text-processingCommand-line-text-processingPublic archive

   ⚡ From finding text to search and replace, from sorting to beautifying text and more 🎨

   Shell 10.2k 710