--- /dev/null
+#!/usr/bin/perl
+
+# LC_COLLATE=hr_HR.utf8 KOHA_CONF=/etc/koha/sites/ffzg/koha-conf.xml ./html.pl
+
+use warnings;
+use strict;
+
+use DBI;
+use Data::Dump qw(dump);
+use autodie;
+use locale;
+
+use lib '/srv/koha_ffzg';
+use C4::Context;
+
+my $dbh = C4::Context->dbh;
+
+my $authors;
+
+my $sth_select_authors = $dbh->prepare(q{
+select
+ biblionumber,
+ ExtractValue(marcxml,'//datafield[@tag="100"]/subfield[@code="9"]') as first_author,
+ ExtractValue(marcxml,'//datafield[@tag="700"]/subfield[@code="9"]') as other_authors,
+ ExtractValue(marcxml,'//datafield[@tag="942"]/subfield[@code="t"]') as category
+from biblioitems where agerestriction > 0
+});
+
+$sth_select_authors->execute();
+while( my $row = $sth_select_authors->fetchrow_hashref ) {
+# warn dump($row),$/;
+ my $all_authors = join(' ', $row->{first_author}, $row->{other_authors});
+ foreach my $authid ( split(/\s+/, $all_authors) ) {
+ push @{ $authors->{$authid}->{ $row->{category} } }, $row->{biblionumber};
+ }
+}
+
+my $auth_header;
+my @authors;
+
+my $all_authids = join(',', grep { length($_) > 0 } keys %$authors);
+my $sth_auth = $dbh->prepare(q{
+select
+ authid,
+ ExtractValue(marcxml,'//datafield[@tag="100"]/subfield[@code="a"]') as full_name
+from auth_header
+where
+ ExtractValue(marcxml,'//datafield[@tag="024"]/subfield[@code="a"]') <> '' and
+ authid in (} . $all_authids . q{)
+});
+
+$sth_auth->execute();
+while( my $row = $sth_auth->fetchrow_hashref ) {
+ warn dump( $row );
+ $auth_header->{ $row->{authid} } = $row->{full_name};
+ push @authors, $row;
+
+}
+
+sub html_title {
+ return qq|<html>
+<head>
+<meta charset="UTF-8">
+<title>|, join(" ", @_), qq|</title>
+</head>
+<body>
+|;
+}
+
+sub html_end {
+ return qq|</body>\n</html\n|;
+}
+
+open(my $index, '>:encoding(utf-8)', 'html/index.html');
+print $index html_title('Bibliografija Filozogskog fakulteta');
+
+my $first_letter;
+
+foreach my $row ( sort { $a->{full_name} cmp $b->{full_name} } @authors ) {
+
+ my $first = substr( $row->{full_name}, 0, 1 );
+ if ( $first ne $first_letter ) {
+ print $index qq{</ul>\n} if $first_letter;
+ $first_letter = $first;
+ print $index qq{<h1>$first</h1>\n<ul>\n};
+ }
+ print $index qq{<li><a href="}, $row->{authid}, qq{.html">}, $row->{full_name}, "</a></li>\n";
+
+ open(my $fh, '>:encoding(utf-8)', "html/$row->{authid}.html");
+ print $fh html_title($row->{full_name}, "bibliografija");
+ foreach my $category ( sort keys %{ $authors->{ $row->{authid} } } ) {
+ print $fh qq|<h1>$category</h1>\n<ul>\n|;
+ foreach my $biblionumber ( @{ $authors->{ $row->{authid} }->{$category} } ) {
+ print $fh qq|<li><a href="https://koha.ffzg.hr/cgi-bin/koha/opac-detail.pl?biblionumber=$biblionumber">$biblionumber</a></li>\n|;
+ }
+ print $fh qq|</ul>\n|;
+ }
+ print $fh html_end;
+ close($fh);
+
+}
+
+print $index html_end;
+
+print dump( $authors );
+
+print dump( $auth_header );
+
+
+