"Global variables abound." Must have been Perl 3 or 4. In Perl 5 you have to work extra to make global variables, and they're not really pushed in the global

"Global variables abound." Must have been Perl 3 or 4. In Perl 5 you have to work extra to make global variables, and they're not really pushed in the global scope, only have global visibility in their own namespace ... unless you work even more and export them by default when you write the module they're in.