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Of course "new guys" will learn the "language of the week", and "old bearded sysadmins" will continue using perl, but still.. i have stuff literally written a deacade+ ago, still working without issues, and i have stuff written in ruby, rewritten to python (2.6?), fixed for 2.7, and rewritten for python3, that I abondoned ~python 3.3, and rewritten in perl, just to be able to forget about it.

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> i have stuff literally written a deacade+ ago, still working without issues

Maybe this works if you run your Perl in the exact same environment the whole time, or if you're writing stuff on a very small scale and don't need to use many CPAN modules.

But for large applications, you'll be using CPAN modules heavily. And you'll need to run your Perl in new environments - if for no other reason, because you'll need to move to new operating system versions to pick up security updates.

That's where the problems start. If you're using a reasonable number of CPAN modules, this inevitably breaks some of them. And because the Perl ecosystem is essentially dead, those third-party modules are usually abandoned.

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