use warnings;
use XML::Twig;
-use YAML;
+use YAML::Tiny;
use JSON;
my $marcxml = shift || help();
+my $htag = shift || help();
open HOLDINGS, '>', "holdings";
open X, '>', "holdings.x";
open Z, '>', "holdings.z";
-open ALL852, '>', "holdings.all852";
-
-$| = 1;
my $holdings = {};
+my %all852 = ( x => {}, z => {} ); # hash of all subfields in all 852s
my $copyid = 0;
+
+
+$| = 1;
my $count = 0;
-my %all852 = ( x => {}, z => {} ); # hash of all subfields in all 852s
+my $total = `grep -c '<record' $marcxml`;
+my $percent = 0;
+my $prevper = -1;
+my $yaml = YAML::Tiny->new;
my $t = XML::Twig->new( twig_handlers => { record => \&record } );
$t->parsefile($marcxml);
-#print ALL852 to_json(\%all852);
-print ALL852 Dump(%all852);
+$yaml->[0] = \%all852;
+$yaml->write('holdings.sample');
+print "\n\n";
sub record {
my($t, $r)= @_;
$holdings = { copies => [] };
my @dfields = $r->children('datafield');
- for my $d (@dfields) {
- process_datafields($d)
- }
+ for my $d (@dfields)
+ { process_datafields($d) }
for my $copy (@{$holdings->{copies}})
{ print_reports($copy) }
$r->purge;
- $count++; print "\r$count";
+
+ $count++;
+ $percent = int(($count / $total) * 100);
+ print "\r$percent% done ($count)" if ($percent != $prevper);
+ $prevper = $percent;
}
sub process_datafields {
}
# and holdings data
- if ($d->{'att'}->{'tag'} == 852) {
+ if ($d->{'att'}->{'tag'} == $htag) {
push @{$holdings->{copies}}, { x =>[], z => [] };
$holdings->{copies}[-1]{copyid} = $copyid;
my @subs = $d->children('subfield');
- for my $s (@subs)
+ for my $s (@subs)
{ process_subs($s) }
$copyid++;
}
push @{$copy->{$code}}, $value;
my ($k,$v) = split /:/, $value;
$all852{$code}{$k} = $v;
- } else {
+ } else {
$copy->{$code} = $value;
$all852{$code} = $value;
}
}
sub print_reports {
+ return unless defined $holdings->{id};
my ($copy) = @_;
my $note = 0;
for (@{$copy->{x}}) {
print Z join("\t", $holdings->{id}, $copy->{copyid}, $note, $_), "\n";
$note++;
}
+ for (qw( copyid b p h 9 ))
+ { $copy->{$_} = '' unless defined $copy->{$_} }
print HOLDINGS join("\t", $holdings->{id}, $copy->{copyid},
$copy->{b}, $copy->{p}, $copy->{h}, $copy->{9}), "\n";
}
sub help {
print <<HELP;
-Usage is: extract_holdings MARCXML_FILE
+Usage is: extract_holdings MARCXML_FILE HOLDINGS_TAG
HELP
exit;
}