Business::Barcode::EAN13 - Perform simple validation of an EAN-13 barcode River stage zero No dependents

These subroutines will tell you whether or not an EAN-13 barcode is self-consistent: i.e. whether or not it checksums correctly. If provided with the 12 digit stem of a barcode it will also return the correct check digit. We can also return the count...

JANW/Business-Barcode-EAN13-2.00 - 25 Sep 2013 14:04:48 GMT

Business::ISMN - work with International Standard Music Numbers River stage one • 1 direct dependent • 1 total dependent

Methods new($ismn) The constructor accepts a scalar representing the ISMN. The string representing the ISMN may contain characters other than "[0-9mM]", although these will be removed in the internal representation. The resulting string must look lik...

BDFOY/Business-ISMN-1.201 - 18 Oct 2018 15:29:19 GMT

Business::ISBN - work with International Standard Book Numbers River stage two • 12 direct dependents • 16 total dependents

This modules handles International Standard Book Numbers, including ISBN-10 and ISBN-13....

BDFOY/Business-ISBN-3.004 - 24 Apr 2017 20:05:07 GMT

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