Let the base kick ooooooooooo AAE-O-A-A-U-U-A- E-eee-ee-eee AAAAE-A-E-I-E-A- OO-ooo-oo-oo-oo EEEEO-A-AAA-AAAA

Set don’t forget set -E as well to exit on failed subshells.

Sorry if this response is mal-informed and misses some important part of your workflow, but if all you’re trying to do is run a postman collection then all you really need is newman.