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skip empty results of hash_filter
[Biblio-Isis]
/
lib
/
Biblio
/
Isis.pm
diff --git
a/lib/Biblio/Isis.pm
b/lib/Biblio/Isis.pm
index
ba32c69
..
5461657
100644
(file)
--- a/
lib/Biblio/Isis.pm
+++ b/
lib/Biblio/Isis.pm
@@
-475,7
+475,10
@@
sub to_hash {
foreach my $l (@{$row->{$k}}) {
# filter output
foreach my $l (@{$row->{$k}}) {
# filter output
- $l = $self->{'hash_filter'}->($l) if ($self->{'hash_filter'});
+ if ($self->{'hash_filter'}) {
+ $l = $self->{'hash_filter'}->($l);
+ next unless defined($l);
+ }
my $val;
my $val;