gistfile1.rb

module I18n
  module Backend
  class PolishPluralization < Simple
       def pluralize(locale, entry, count)
       return entry unless entry.is_a?(Hash) and count
       case locale
        when 'pl'
          key = :zero if count == 0 && entry.has_key?(:zero)
          key = :one if count==1 && count%100!=11
          key ||=((2..4).include?(count%10) && !(12..14).include?(count%100))? :few : :other
        else
          key = :zero if count == 0 && entry.has_key?(:zero)
          key ||= count == 1 ? :one : :other
       end
       raise InvalidPluralizationData.new(entry, count) unless entry.has_key?(key)
       entry[key]
       end
  end
  end
end
I18n.backend = I18n::Backend::PolishPluralization.new