NAME

App::EANUtils - Utilities related to EAN (International/European Article Number)

VERSION

This document describes version 0.002 of App::EANUtils (from Perl distribution App-EANUtils), released on 2023-01-28.

SYNOPSIS

DESCRIPTION

This distribution includes several utilities related to EAN (International/European Article Number):

FUNCTIONS

calc_ean13

Usage:

calc_ean13(%args) -> [$status_code, $reason, $payload, \%result_meta]

Calculate check digit of EAN-13 number(s).

This function is not exported.

Arguments ('*' denotes required arguments):

  • numbers* => array[ean13_without_check_digit]

    EAN-13 numbers without the check digit.

Returns an enveloped result (an array).

First element ($status_code) is an integer containing HTTP-like status code (200 means OK, 4xx caller error, 5xx function error). Second element ($reason) is a string containing error message, or something like "OK" if status is 200. Third element ($payload) is the actual result, but usually not present when enveloped result is an error response ($status_code is not 2xx). Fourth element (%result_meta) is called result metadata and is optional, a hash that contains extra information, much like how HTTP response headers provide additional metadata.

Return value: (any)

calc_ean8

Usage:

calc_ean8(%args) -> [$status_code, $reason, $payload, \%result_meta]

Calculate check digit of EAN-8 number(s).

This function is not exported.

Arguments ('*' denotes required arguments):

  • numbers* => array[ean8_without_check_digit]

    EAN-8 numbers without the check digit.

Returns an enveloped result (an array).

First element ($status_code) is an integer containing HTTP-like status code (200 means OK, 4xx caller error, 5xx function error). Second element ($reason) is a string containing error message, or something like "OK" if status is 200. Third element ($payload) is the actual result, but usually not present when enveloped result is an error response ($status_code is not 2xx). Fourth element (%result_meta) is called result metadata and is optional, a hash that contains extra information, much like how HTTP response headers provide additional metadata.

Return value: (any)

check_ean13

Usage:

check_ean13(%args) -> [$status_code, $reason, $payload, \%result_meta]

Check EAN-13 number(s).

This function is not exported.

Arguments ('*' denotes required arguments):

  • ean13_numbers* => array[ean13_unvalidated]

    (No description)

Returns an enveloped result (an array).

First element ($status_code) is an integer containing HTTP-like status code (200 means OK, 4xx caller error, 5xx function error). Second element ($reason) is a string containing error message, or something like "OK" if status is 200. Third element ($payload) is the actual result, but usually not present when enveloped result is an error response ($status_code is not 2xx). Fourth element (%result_meta) is called result metadata and is optional, a hash that contains extra information, much like how HTTP response headers provide additional metadata.

Return value: (any)

check_ean8

Usage:

check_ean8(%args) -> [$status_code, $reason, $payload, \%result_meta]

Check EAN-8 number(s).

This function is not exported.

Arguments ('*' denotes required arguments):

  • ean8_numbers* => array[ean8_unvalidated]

    (No description)

Returns an enveloped result (an array).

First element ($status_code) is an integer containing HTTP-like status code (200 means OK, 4xx caller error, 5xx function error). Second element ($reason) is a string containing error message, or something like "OK" if status is 200. Third element ($payload) is the actual result, but usually not present when enveloped result is an error response ($status_code is not 2xx). Fourth element (%result_meta) is called result metadata and is optional, a hash that contains extra information, much like how HTTP response headers provide additional metadata.

Return value: (any)

HOMEPAGE

Please visit the project's homepage at https://metacpan.org/release/App-EANUtils.

SOURCE

Source repository is at https://github.com/perlancar/perl-App-EANUtils.

SEE ALSO

More general utilities related to check digits: App::CheckDigitsUtils

AUTHOR

perlancar <perlancar@cpan.org>

CONTRIBUTING

To contribute, you can send patches by email/via RT, or send pull requests on GitHub.

Most of the time, you don't need to build the distribution yourself. You can simply modify the code, then test via:

% prove -l

If you want to build the distribution (e.g. to try to install it locally on your system), you can install Dist::Zilla, Dist::Zilla::PluginBundle::Author::PERLANCAR, Pod::Weaver::PluginBundle::Author::PERLANCAR, and sometimes one or two other Dist::Zilla- and/or Pod::Weaver plugins. Any additional steps required beyond that are considered a bug and can be reported to me.

COPYRIGHT AND LICENSE

This software is copyright (c) 2023 by perlancar <perlancar@cpan.org>.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

BUGS

Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=App-EANUtils

When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.