Found some handy documentation at IBM.com 1 of all places.
⬅️ Perl / Excel :: RE: Crawler - 560 ➡️
Paulʼs blog - I live in A sleepy town in Kent. Wed + dad to 2, I am a full-stack web developr, and I do js / node, some ruby, python, php ect ect. My hobbies are pubs, parkrun, restaurants, home automation and other diy jiggery-pokery, history, family tree stuff, TV, squirrels, pirates ☠️, lego, and TIME TRAVEL.