Don't forget to read up on the pitfalls too: https://mywiki.wooledge.org/BashPitfalls https://mywiki.wooledge.org/BashPitfalls However, I would put using Shell

Don't forget to read up on the pitfalls too: https://mywiki.wooledge.org/BashPitfalls https://mywiki.wooledge.org/BashPitfalls However, I would put using ShellCheck as the single most important way to improve your shell scripts