bash functions that exit on errors

gistfile1.txt

Crafting bash functions that exit on errors:

function name {( set -e
  do stuff...
)}

The (...) creates a subshell, and the "set -e" prefix causes an exit on any
nonzero exit codes of the included commands.

https://stackoverflow.com/a/58964551/90442
https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html