> $ perl -Mstrict -wle 'my $f = { }; my @a = @{ $f->{foo} }' > Can't use an undefined value as an ARRAY reference at -e line 1. Exactly my point. Stick that expression in a for loop however... D:\>perl -Mstrict -wle "my $f = { }; my @a=map {$_} @{ $f->{foo} }" D:\>perl -Mstrict -wle "my $f = { }; for (@{ $f->{foo} }) {print}"Thread Previous | Thread Next