set -euo pipefail
set -euo pipefail
Risk: Safe
What it does
Strict mode: a script stops at the first failure, unknown jar or broken pipe.
When to use it
As line 2 of almost every script.
Example
$ set -euo pipefailPut it right under #!/bin/bash.
$ cmd || trueAllow one failure on purpose.
Learn it in: Safer scripts: set -euo pipefail · Official docs