123456
use strict;my $feld = "Hallo";ref(my $feld = []);print $feld;^ZARRAY(0x22544c)
1234
ref(my $feld = [1]) eq 'ARRAY' and ($feld) = @$feld;print $feld;^ZARRAY(0x22544c)
ref(my $feld = [1]) eq 'ARRAY' and $feld = $feld->[0];print $feld;^ZARRAY(0x22544c)