The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.

NAME

Summerset::IsbnConverter - Converts ISBN10 format to ISBN13 format and vice versa. This module also contains simple methods to validate ISBN10 and ISBN13 strings.

VERSION

Version 1.00

SYNOPSIS

Simple module to convert ISBN10 to ISBN13 format and vice versa.

    use Summerset::IsbnConverter;

        my $isbn10 = '0395040892';
        my $isbn13 = Summerset::IsbnConverter::convertToIsbn13($isbn10);
                
        print $isnb13; # will print -> 9780395040898
    

EXPORT

convertToIsbn10 convertToIsbn13 generateIsbn10CheckDigit generateIsbn13CheckDigit validateIsbn10 validateIsbn13

SUBROUTINES/METHODS

convertToIsbn10

Converts an ISBN13 format string, into ISBN10 format.

Requires a single ISBN13. This ISBN must begin with the 978 prefix. Other ISBN13's are not convertable to ISBN10. The ISBN13 may contain hyphens or other formatting characters/whitespace. The ISBN13 string may not end with any whitespace.

Returns a string in ISBN10 format.

Returns undef on errors (eg, invalid ISBN13 provided).

convertToIsbn13

Converts an ISBN10 format string, into ISBN13 format.

Requires a single ISBN10. The ISBN10 string may contain hyphens or other formatting characters/whitespace. The ISBN13 string may not end with any whitespace.

Returns a string in ISBN13 format.

Returns undef on errors (eg, invalid ISBN10 provided).

generateIsbn10CheckDigit

Takes a single 9 character string as input.

Returns a single character check digit. This is typically a numeric digit, however this can occasionally be the letter 'X'.

Returns undef on invalid input.

generateIsbn13CheckDigit

Takes a single 12 character string as input.

Returns a single character check digit. This value will be a numeric digit.

Returns undef on invalid input.

validateIsbn10

Takes a single ISBN10 string as input. The input ISBN10 may contain extra whitespace or formatting characters.

Returns a boolean value to indicate whether validation succeeded.

Returns undef on invalid input.

validateIsbn13

Takes a single ISBN13 string as input. The input ISBN13 may contain extra whitespace or formatting characters.

Returns a boolean value to indicate whether validation succeeded.

Returns undef on invalid input.

AUTHOR

Derek J. Curtis, <djcurtis at summersetsoftware.com>

BUGS

Please report any bugs or feature requests to bug-summerset-isbnconverter at rt.cpan.org, or through the web interface at http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Summerset-IsbnConverter. I will be notified, and then you'll automatically be notified of progress on your bug as I make changes.

SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc Summerset::IsbnConverter

You can also look for information at:

ACKNOWLEDGEMENTS

LICENSE AND COPYRIGHT

Copyright 2012 Derek J. Curtis.

This program is free software; you can redistribute it and/or modify it under the terms of the the Artistic License (2.0). You may obtain a copy of the full license at:

http://www.perlfoundation.org/artistic_license_2_0

Any use, modification, and distribution of the Standard or Modified Versions is governed by this Artistic License. By using, modifying or distributing the Package, you accept this license. Do not use, modify, or distribute the Package, if you do not accept this license.

If your Modified Version has been derived from a Modified Version made by someone other than you, you are nevertheless required to ensure that your Modified Version complies with the requirements of this license.

This license does not grant you the right to use any trademark, service mark, tradename, or logo of the Copyright Holder.

This license includes the non-exclusive, worldwide, free-of-charge patent license to make, have made, use, offer to sell, sell, import and otherwise transfer the Package with respect to any patent claims licensable by the Copyright Holder that are necessarily infringed by the Package. If you institute patent litigation (including a cross-claim or counterclaim) against any party alleging that the Package constitutes direct or contributory patent infringement, then this Artistic License to you shall terminate on the date that such litigation is filed.

Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.