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#!/usr/bin/perl
=head1 NAME
marc2xml - convert a MARC file to XML
=head1 SYNOPSIS
# convert a file
% marc2xml marc.dat > marc.xml
# or use in a pipeline
% cat marc.dat | marc2xml > marc.xml
=head1 DESCRIPTION
marc2xml is a command line utility for converting MARC21 bibliographic
data to XML using the Library of Congress Slim Schema. Conversion is
handled using the MARC::Record and MARC::File::XML packages.
=cut
use strict;
use warnings;
use MARC::Record;
use MARC::Batch;
use MARC::File::XML;
use IO::File;
my $file = shift;
my $fh;
## read from a file?
if ( $file ) {
fatal( "no such file: $file" ) if ! -r $file;
$fh = IO::File->new( $file );
}
## or from STDIN?
else {
$fh = \*STDIN;
}
## set up intput/output for utf8 encoding
binmode( STDOUT, ':utf8' );
binmode( $fh, ':bytes' );
my $found = 0;
my $batch = MARC::Batch->new( 'USMARC', $fh );
# be lenient, it's MARC afterall :)
$batch->warnings_off();
$batch->strict_off();
while ( my $record = $batch->next() ) {
if ( ! $found ) {
print MARC::File::XML::header();
$found = 1;
}
print MARC::File::XML::record( $record );
}
print MARC::File::XML::footer() if $found;
sub fatal {
print STDERR shift, "\n";
exit( 1 );
}
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