Bats

We’ve all been there: a small shell script that starts as a quick helper suddenly becomes a critical part of your workflow. Then one day, it breaks - maybe because of a missing argument, a typo, or an unexpected input. Debugging at 2 AM isn’t fun. That’s why adding tests to your shell scripts is a lifesaver. With Bats (Bash Automated Testing System), you can catch these issues early and make your scripts as reliable as any other piece of software. ...

These are not only linux snippets but also bash snippets and snippets using tools that run under Linux, *nix or sometimes even MacOSX, I should reorder this article someday ;) Settings for more reliable bash scripts set -euo pipefail this gives us …​ -e: exit script if a single command fails -u: exit script if an unset variable is used -o pipefail: return value of a pipeline is the status of the last command to exit with a non-zero status, or zero if no command exited with a non-zero status ...