Utility for ISBN10->ISBN13 upconversion

git-svn-id: svn://svn.open-ils.org/ILS/trunk@17449 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/perlmods/OpenILS/Utils/ISBN.pm b/Open-ILS/src/perlmods/OpenILS/Utils/ISBN.pm
new file mode 100644 (file)
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+++ b/Open-ILS/src/perlmods/OpenILS/Utils/ISBN.pm
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+package OpenILS::Utils::ISBN;
+
+# ---------------------------------------------------------------
+# Copyright (C) 2010 Equinox Software, Inc
+# Author: Joe Atzberger <jatzberger@esilibrary.com>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# ---------------------------------------------------------------
+
+use strict;
+use warnings;
+
+use Business::ISBN;
+
+use base qw/Exporter/;
+our $VERSION = '0.01';
+our @EXPORT_OK = qw/isbn_upconvert/;
+
+# Jason Stephenson <jstephenson@mvlc.org> at Merrimack Valley Library Consortium
+# Dan Scott <dscott@laurentian.ca> at Laurentian University
+
+sub isbn_upconvert {
+    my $in     = @_ ? shift : return;
+    my $pretty = @_ ? shift : 0;
+    $in =~ s/\s*//g;
+    $in =~ s/-//g;
+    length($in) or return;
+    my $isbn = Business::ISBN->new($in) or return;
+    $isbn->fix_checksum() if $isbn->is_valid_checksum() == Business::ISBN::BAD_CHECKSUM;
+    $isbn->is_valid() or return;
+    return $pretty ? $isbn->as_isbn13->as_string : $isbn->as_isbn13->isbn;
+}
+
+1;
+__END__
+
+For example, if you have a file isbns.txt with these lines:
+
+1598884093
+ 1598884093
+ 15  988  840 93     
+0446357197
+  0 446 3 5  7 1 9        7
+  0 446 3 5  7 1 9        1
+0596526857
+0786222735
+0446360015
+0446350109
+0446314129
+0439139597
+0743294394
+159143047X
+1590203097
+075480965X
+0393048799
+0446831832
+0446310069
+1598883275
+0446313033
+0446360279
+
+And you run:
+    perl -pe 'use OpenILS::Utils::ISBN qw/isbn_upconvert/; $_ = isbn_upconvert($_) . "\n";' <isbns.txt
+
+You get this output:
+9781598884098
+9781598884098
+9781598884098
+9780446357197
+9780446357197
+9780446357197
+9780596526856
+9780786222735
+9780446360012
+9780446350105
+9780446314121
+9780439139595
+9780743294393
+9781591430476
+9781590203095
+9780754809654
+9780393048797
+9780446831833
+9780446310062
+9781598883275
+9780446313032
+9780446360272
+