Interests: Regular Expressions, Linux CLI one-liners, Scripting Languages and Vim
Check out my chapter on GNU grep BRE/ERE for those wanting to learn this regex flavor: https://learnbyexample.github.io/learn_gnugrep_ripgrep/breere-regular-expressions.html (there’s also another chapter for PCRE)
GNU datamash (https://www.gnu.org/software/datamash/alternatives/) - handy tool for data munching. There’s also https://github.com/BurntSushi/xsv