Mod10

A simple gem to generate mod_10 check digits and check if integers are mod10 valid.

Installation

Add this line to your application's Gemfile:

gem 'mod_10'

And then execute:

$ bundle

Or install it yourself as:

$ gem install mod_10

Usage

Include the Mod10 module to make the following two methods available

• generate_check_digit(value) Which returns an integer value for the mod10 check digit of a string or integer. Note: If the value is 0, then the argument was already mod10 valid.

• is_mod10?(value) Returns true or false for the tested value is it is or isn't mod10 valid.

Contributing

1. Fork it ( https://github.com/[my-github-username]/mod_10/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request