for my $entry ($searchresult->entries) {   my $uid = $entry->get('uid'); if (!$uid || !UNIVERSAL::isa($uid, 'ARRAY')) {     print "*** No uid for the following  entry:\n";     print Dumper(\$entry); } $uid = ${$uid}[0];    if (!$uid) {     print "*** No uid for the following  entry:\n";     print Dumper(\$entry);   }    for (@vars) {         $uids{$uid}{$_} = '';         $uids{$uid}{$_} = ${$uid}[0];    } }