status_verification

verify_pipe_status() {
  local pipe_status=("${PIPESTATUS[@]}")
  local idx=0
  # Iterate through each status in PIPESTATUS
  for status in "${pipe_status[@]}"; do
    # Check if the status is non-zero
    if [ "$status" -ne 0 ]; then
      # Provide a detailed error message with the index of the failed command
      interrupt "Error: Command at pipeline index $idx failed with exit code $status."
    fi
    # Increment the index for the next iteration
    ((idx++))
  done
}

foo_unhappy(){
  echo "foo_unhappy"
  return 1
}

foo_happy(){
  echo "foo_happy"
  return 0
}
main() {
  foo_happy | foo_unhappy | grep "foo" | tee /tmp/out
  verify_pipe_status

  echo "MAIN FINISHED"
}

main "${@}" || exit 1

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Backlinks

• Pipe Operator
• Regular Return Code Does Not Work with Pipe