> You have to look at older versions of OSes, too. Perl 5 was released in 1994. It is incredibly portable. If you have a system that legitimately has Perl 4,

> You have to look at older versions of OSes, too. Perl 5 was released in 1994. It is incredibly portable. If you have a system that legitimately has Perl 4, I would love to hear about it, but …