#!/bin/bash

readonly program="$(basename "${0}")"

function usage {
  echo "
    List IDs for currently loaded launchd jobs. Job IDs attributed to Apple are excluded from the output.

    Usage:
      ${program} [options]

    Options:
      -h, --help   Show this message.
  " | sed -E 's/ {4}//'
}

if [[ "${1}" =~ ^(-h|--help)$ ]]; then
  usage
  exit 0
fi

(/usr/bin/sudo -p 'The system password is required to see all launchd jobs: ' -- /bin/launchctl list && /bin/launchctl list) | \
  /usr/bin/cut -f3 | \
  /usr/bin/grep --invert-match '^Label$' | \
  /usr/bin/grep --invert-match '^com\.apple\.' | \
  /usr/bin/grep --extended-regexp --invert-match '\.[0-9]+$'