Migrate developer script to list-loaded-launchjob-ids cmd

Author: danielbayley

cmd/brew-list-loaded-launchjob-ids

@@ -0,0 +1,12 @@
+#: * `list-loaded-launchjob-ids`
+#:
+#:  List IDs for currently loaded launchd jobs. Job IDs attributed to Apple are excluded from the output.
+#:
+#:  Options:
+#:    -h, --help   Show this message.
+
+(/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$' |
+  /usr/bin/grep --invert-match '^com\.apple\.' |
+  /usr/bin/grep --extended-regexp --invert-match '\.[0-9]+$'