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by vorg 4787 days ago
> COBOL with over 200 billion lines of code in existence and with an estimated 5 billion lines of new code annually

Yeah, almost all of those 5 billion new lines are first copied from those existing 200 billion, then patched.

My last job had a big system where they wanted to enable a new country to be processed. The IT staff started to analyze how to modify it, but an executive for the user department gave the order: "Copy the entire codebase of the existing system, add XYZ- to all the program names, then make the changes". No-one dared disobey. Happily the existing codebase wasn't impacted, but there was now twice as much maintenance, operations, and standby support to do. I'm guessing that executive's gone now, and maybe the systems are now being supported overseas.