[18:12] <jrwren> anyone know if bash has a mode to warn or err on use of an unused var when in interactive mode?
[18:14] <cmaloney> I'm not aware of any warnings of bash for non-interactive mode
[18:14] <cmaloney> let alone interactive
[18:16] <cmaloney> https://stackoverflow.com/questions/41020844/how-can-i-make-bash-treat-undefined-variables-as-errors
[18:26] <jrwren> set -u
[18:26] <jrwren> i should just always role with set -u