foreach my $rfid ( @rfid ) {
my $visible = $rfid->scan;
foreach my $tag ( keys %$visible ) {
next unless $tag eq $sid;
warn "PROGRAM $tag with $content\n";
foreach my $rfid ( @rfid ) {
my $visible = $rfid->scan;
foreach my $tag ( keys %$visible ) {
next unless $tag eq $sid;
warn "PROGRAM $tag with $content\n";