http://stackoverflow.com/questions/1567546/is-the-perl-plx-filename-extension-ever-used-in-real-life http://stackoverflow.com/questions/1567546/is-the-perl-plx-

http://stackoverflow.com/questions/1567546/is-the-perl-plx-filename-extension-ever-used-in-real-life http://stackoverflow.com/questions/1567546/is-the-perl-plx-f... It's not a rule I can remember encountering anybody actually following, but it's still theoretically a thing at least up to about a decade ago, which is very definitely perl5 era. It's not where I thought it was in the perldoc though, so either it isn't in there at all or I screwed up looking for it. So, roughly, "I think it turns out we're both sort-of wrong" :)