Bash scripts. Almost anyone needs to write one sooner or later. Almost no one says “yeah, I love writing them”. And that’s why almost everyone is putting low attention while writing them. I won’t try to make you a Bash expert (since I’m not a one either), but I will show you a minimal template that will make your scripts safer. You don’t need to thank me, your future self will thank you. Why scripting in Bash? The best summary of Bash scripting appeared recently on my Twitter feed: The opposite of "it's like riding a bike" is "it's like programming in bash".