in reply to array conversion to lower case

use Data::Dumper;
@array = ("ONE","TWO","THREE","ABC","DEF");
$_=lc for @array;
print Dumper \@array;

[download]
perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

In Section Seekers of Perl Wisdom