60k rows of anything will be pulled into the file cache and do very little work on the drive. Possibly none after the first read.

Meh. I had a bash job for 6 years. I couldn’t forget it if I wanted to. I imagine most people don’t use it enough for it to stick. You get good enough at it, and there’s no need to reach for python.

I’m on your side dude. Comments rot. Some are useless. Don’t even get me started on doxygen comments.