Bash - Exit parent script from child script

Question

I have a Bash parent script that on unexpected input calls an error logging child script that logs the error. I also want the execution to halt when the error occurs and th

Answer 1

Don't try to terminate the parent from the child. Instead call exit in the parent after the child script returned.

if [ condition ]; then
  /path/to/child.sh
  exit 1
fi

or shorter

[ condition ] && { /path/to/child.sh; exit 1; }