"use 5.008_004" ensures that perl is at version 5.8.4 or later. Try to run that script using perl-5.8.3 or earlier and it will croak with a message that you need to be running version 5.8.4 or later.
Cheers, Rob On Sat, Dec 22, 2018 at 8:44 PM Leam Hall <leamh...@gmail.com> wrote: > I've seen code that has "use 5.008_004;" in the files. Yet the code also > uses tools like Build.PL that came after Perl 5.008. What does the "use > $perl_version" actually affect? > > Thanks! > > -- > To unsubscribe, e-mail: beginners-unsubscr...@perl.org > For additional commands, e-mail: beginners-h...@perl.org > http://learn.perl.org/ > > >