use Time::HiRes;
use lib 'lib';
use RFID::Biblio;
+use Carp qw(confess);
=head1 NAME
=cut
-sub blocks { $_[0]->{_tags}->{$_[1]}->{ 'blocks' } || die "no blocks for $_[1]"; };
-sub afi { $_[0]->{_tags}->{$_[1]}->{ 'afi' } || die "no afi for $_[1]"; };
+sub blocks { $_[0]->{_tags}->{$_[1]}->{ 'blocks' } || confess "no blocks for $_[1]"; };
+sub afi { $_[0]->{_tags}->{$_[1]}->{ 'afi' } || confess "no afi for $_[1]"; };
=head1 PRIVATE