- } elsif ($marc_flavour eq "UNIMARC") {
- if (my $field = $marc_record->field('100')) {
- my $sfa = $field->subfield('a');
-
- my $subflength = 36;
- # fix the length of the field
- $sfa = substr $sfa, 0, $subflength if (length($sfa) > $subflength);
- $sfa = sprintf( "%-*s", 35, $sfa ) if (length($sfa) < $subflength);
-
- substr($sfa, 26, 4) = '50 ';
- $field->update('a' => $sfa);
+ } elsif ($marc_flavour =~/UNIMARC/) {
+ my $string;
+ my ($subflength,$encodingposition)=($marc_flavour=~/AUTH/?(21,9):(36,22));
+ $string=$marc_record->subfield( 100, "a" );
+ if (length($string)==$subflength) {
+ $string = substr $string, 0,$subflength if (length($string)>$subflength);
+ }
+ else {
+ $string = POSIX::strftime( "%Y%m%d", localtime );
+ $string =~ s/\-//g;
+ $string = sprintf( "%-*s", $subflength, $string );
+ }
+ substr( $string, $encodingposition, 8, "frey50 " );
+ if ( $marc_record->subfield( 100, "a" ) ) {
+ $marc_record->field('100')->update(a=>$string);
+ }
+ else {
+ $marc_record->insert_grouped_field(
+ MARC::Field->new( 100, '', '', "a" => $string ) );