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[webpac] / marc_sf.pm

diff --git a/marc_sf.pm b/marc_sf.pm
index 0cae113..4da5eae 100644 (file)
--- a/marc_sf.pm
+++ b/marc_sf.pm
@@ -10,9 +10,12 @@ sub marc_sf {
 
        my $i = shift @_ || 0;
 
-       my $rec = $main::cache->{marc_record} || die '$cache->{marc_record} is undefined!';
-
-       my @out = $marc->getvalue({record=>$rec,field=>$f,subfield=>$s});
+       my @out;
+       if ($s) {
+               @out = $marc->subfield($f,$s);
+       } else {
+               @out = $marc->field($f)->as_string() if ($marc->field($f));
+       }
 
        return $out[$i] if (@out && $out[$i]);
 }