ragalie / lisbn

ISBN manipulation helpers

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Lisbn

CI

Lisbn (pronounced "Lisbon") is a wrapper around String that adds methods for manipulating ISBNs.

Installation

Add this line to your application's Gemfile:

gem 'lisbn'

And then execute:

$ bundle

Or install it yourself as:

$ gem install lisbn

Usage

Instantiate a new Lisbn object:

> isbn = Lisbn.new("9780000000002")

You can check its validity:

> isbn.valid?
 => true

You can convert it to ISBN-10 or ISBN-13:

> isbn.isbn10
 => "0000000000"

> isbn.isbn13
 => "9780000000002"

And you can break it up into its GS1 prefix, group identifier, prefix/publisher code, item number and check digit:

> isbn.parts
 => ["978", "0", "00", "000000", "2"]

Updating

You can update the ISBN ranges by replacing the RangeMessage.xml file with an updated copy from: https://www.isbn-international.org/range_file_generation

Then run:

> rake save_ranges_to_yaml

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Added some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

Releasing

  1. Update the version in lisbn.gemspec using semver.
  2. Tag the version update commit as vX.X.X on the master branch.
  3. Push to github.

About

ISBN manipulation helpers

License:MIT License


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