That sounds funny, but how true is it? Let me use http://ali.as/top100/ as a list of the top Perl modules. #3 on the list is Pod::Escapes which I suspect is not implemented in very many Lisp programs at all.

I think it's pretty true. That list is heavy on "plumbing" modules that are pulled in as dependencies. I don't know a good one that's more indicative of what programmers deliberately pull of the shelf for a project, which is what I was talking about.

Let's remember Greenspun used TCL for his commercial work.