In Perl $#foo returns the index of the last element. To get the length you use @foo in scalar context. For eg: my @bag_of_stuff = qw(do re me fa so la si

In Perl $#foo returns the index of the last element. To get the length you use @foo in scalar context. For eg: my @bag_of_stuff = qw(do re me fa so la si); say $#bag_of_stuff; # => 6 say scalar @bag_of_stuff; # => 7 NB. Lua arrays start at 1. Perl & most other languages start with 0 (zero) index