I've been using Unix on and off for 20 years, and I've done a bunch of Unix development work here and there (and more than just "did some programming and it was

I've been using Unix on and off for 20 years, and I've done a bunch of Unix development work here and there (and more than just "did some programming and it was on a Unix system") - but I've no idea how to write a bash script, or a zsh one, for that matter. If I need to automate something, I use a GNU Makefile, or Python. That way it works on Unix as well as on Windows...