http://www.perlmonks.org?node_id=149071


in reply to Magic Status Variable

You may want to:
require v5.6.0 #or something, as you use the our thingie, which, IIRC, is supported 5.6+.

$] >= 5.6 or die "$0 - Need Perl 5.6 or greater...\n"; also works, I'm guessing.
Of course, if our is 5.003+, you're probably OK. :)