[archargelod]

One of my favorite techniques for shell scripts, not mentioned in the article:

For rarely run scripts, consider checking if required flags are missing and query for user input, for example:

  [[ -z "$filename" ]] && printf "Enter filename to edit: " && read filename

Power users already know to always do `-h / --help` first, but this way even people that are less familiar with command line can use your tool.

if that's a script that's run very rarely or once, entering the fields sequentially could also save time, compared to common `try to remember flags -> error -> check help -> success` flow.