PrefectureJp

A source for data about Japanese prefectures.
Area and population are from here.

Add this line to your application's Gemfile:

gem 'prefecture_jp'

And then execute:

$ bundle

Or install it yourself as:

$ gem install prefecture_jp

List all prefectures.

prefectures = PrefectureJp::Prefecture.all

Filter prefectures.

hokkaido = PrefectureJp::Prefecture.hokkaido

tohoku = PrefectureJp::Prefecture.tohoku

kanto = PrefectureJp::Prefecture.kanto

chubu = PrefectureJp::Prefecture.chubu

kansai = PrefectureJp::Prefecture.kansai

chugoku = PrefectureJp::Prefecture.chugoku

shikoku = PrefectureJp::Prefecture.shikoku

kyushu = PrefectureJp::Prefecture.kyushu

Find a specific prefecture.

tokyo = PrefectureJp::Prefecture.find_by_prefecture_code(13)

tokyo = PrefectureJp::Prefecture.find_by_prefecture_name("東京都")

tokyo = PrefectureJp::Prefecture.find_by_prefecture_name_en("Tokyo")

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

1. Fork it ( https://github.com/KoKumagai/prefecture_jp/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

The gem is available as open source under the terms of the MIT License.