A small class for generating and validating EAN-8's, the 8 digit codes found on many products sold around the world.
Installation
gem install ean8
Usage
EAN8.new("93469647").valid?
=> true
EAN8.valid?("93469647")
=> true
EAN8.valid?("93469646")
=> false
EAN8.complete("9346964")
=> "93469647"
EAN8.new("93469647").to_ean
=> "0000093469647"
EAN8.new("93469647").to_gtin
=> "00000093469647"
Further Reading
Contributing
Source code is publicly available @ http://github.com/yob/ean8 Patches welcome, preferably via a git repo I can pull from.