JIS publication identifiers ("CEN PubID") Purpose This gem implements a mechanism to parse and utilize CEN publication identifiers. Use cases to support generate updated PubID Usage Identifier creation Basic usage of the pubid-cen gem starts with the Identifier#create method. require "pubid-cen" pubid = Pubid::Cen::Identifier.create(number: 1234, part: 1, year: 1999) pubid.to_s => "EN 1234-1:1999"