In the days when perl was the language of choice for the web I got a 97% reduction in code size. I was asked to join a late project to speed it up. (Yes I know that has low success rate).
The lead dev was a hard core c programmer and had no perl experience before this job. He handed me a 200 line uncommented function that he wrote and was not working. It was a pattern matcher. I replaced it with 6 lines of commented perl with regex that was very readable (for a regex).
Since he had no idiomatic understanding of perl he did not accept it and complained to management. We had to bring in the local perl demigod to arbitrate(at 21 was half my age at the time, but smart as a whip). Ruled in my favor and the lead was pissed.
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