my $AoA = csv2list (file => "file.csv");
my $AoA = csv2list (data => $io, sep_char => "|");
my $AoA = csv2list (file => "file.txt", sep_char => "|", fragment => "col=3;5-6;0-*");

my $AoH = csv2list (file => "file.csv", headers => "auto");
my $AoH = csv2list (data => $io, sep_char => "|",
    headers=> [ "Name", "Hobby", "Age" ]);