in reply to Re: Getting keys or values of a file based hash
in thread Getiing keys or values of a file based hash

> you should avoid using keys or values inside a while(each) loop.

It's easier to always avoid each which is the advice I listen to.

map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]

In Section Seekers of Perl Wisdom