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Hello! 👋

I'm Sundeep Agarwal, author of several programming ebooks 📚 and devourer of fantasy books 🧙

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

👉 You can buy PDF/EPUB versions of my books via Gumroad or Leanpub.

📢 📢 Use this coupon link to get All books bundle with 25% discount.

✅ Follow me on twitter and Youtube for interesting tech nuggets.

Blogs ✍️

💻 learnbyexample — my super duper awesome programming blog

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

Newsletter 📧

Subscribe to learnbyexample 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.

Highlights ✨

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


  1. py_regular_expressions py_regular_expressions Public

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

    Python 1.7k 215

  2. scripting_course scripting_course Public

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

    Vim Script 1.3k 184

  3. learn_gnuawk learn_gnuawk Public

    Example based guide to mastering GNU awk

    Shell 1.1k 75

  4. TUI-apps TUI-apps Public

    Terminal User Interface (TUI) apps

    Python 531 23

  5. cli-computing cli-computing Public

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

    Shell 517 113

  6. Command-line-text-processing Command-line-text-processing Public archive

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

    Shell 10.1k 716