[oblio]

Then you have the age old problem: what if one of the tasks in your pipeline(s) fails?

[yorwba]

  set -o pipefail -o errexit

Add more options to taste.

[Benjamin_Dobell]

https://stackoverflow.com/questions/29532904/bash-subshell-e...

Not pipefail as such, but Bash's error handling semantics (or lack there of) is pretty lame.