in reply to Returning and using a glob from a sub.

Perl> sub it{ say 'hi' };; Perl> sub getIt{ return *it; };; Perl> my $glob = getIt(); $glob->();; hi Perl> getIt()->();; hi

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.