- Become shell literate - "Shell literacy is one of the most important skills you ought to possess as a programmer."
- The POSIX shell and utilities - "Compiled for The Shell Hater's Handbook"
- Awk in 20 minutes - "Awk is a tiny programming language and a command line tool. It's particularly appropriate for log parsing on servers, mostly because Awk will operate on files, usually structured in lines of human-readable text."
- pup on Github - "pup is a command line tool for processing HTML. It reads from stdin, prints to stdout, and allows the user to filter parts of the page using CSS selectors."
This is an archived blog post that was posted on February 8, 2021.