=head1 NAME
Catmandu::Exporter::MARC::USMARC - Exporter for MARC records to USMARC
=head1 SYNOPSIS
# From the command line
$ catmandu convert MARC --type XML to MARC --type USMARC < /foo/data.mrc
# From Perl
use Catmandu;
my $importer = Catmandu->importer('MARC', file => "/foo/bar.mrc" , type => 'XML');
my $exporter = Catmandu->exporter('MARC', file => "marc.xml", type => 'USMARC' );
$exporter->add($importer);
$exporter->commit;
=head1 CONFIGURATION
=over
=item file
Write output to a local file given by its path or file handle. Alternatively a
scalar reference can be passed to write to a string and a code reference can be
used to write to a callback function.
=item fh
Write the output to an L<IO::Handle>. If not specified,
L<Catmandu::Util::io|Catmandu::Util/IO-functions> is used to create the output
handle from the C<file> argument or by using STDOUT.
=item fix
An ARRAY of one or more fixes or file scripts to be applied to exported items.
=item encoding
Binmode of the output stream C<fh>. Set to "C<:utf8>" by default.
=back
=head1 METHODS
See L<Catmandu::Exporter>, L<Catmandu::Addable>, L<Catmandu::Fixable>,
L<Catmandu::Counter>, and L<Catmandu::Logger> for a full list of methods.
=head1 SEE ALSO
L<Catmandu::Exporter>
=cut
package Catmandu::Exporter::MARC::USMARC;
use Catmandu::Sane;
use Catmandu::Util qw(xml_escape is_different :array :is);
use Moo;
use MARC::Record;
use MARC::Field;
use MARC::File::USMARC;
our $VERSION = '0.219';
with 'Catmandu::Exporter', 'Catmandu::Exporter::MARC::Base';
has record => (is => 'ro' , default => sub { 'record'});
has record_format => (is => 'ro' , default => sub { 'raw'} );
sub add {
my ($self, $data) = @_;
if ($self->record_format eq 'MARC-in-JSON') {
$data = $self->_json_to_raw($data);
}
my $marc = $self->_raw_to_marc_record($data->{$self->record});
$self->fh->print(MARC::File::USMARC::encode($marc));
}
sub commit {
my ($self) = @_;
$self->fh->flush;
}
1;