module Onering
  module Util
    module String
      def nil_empty
        return nil if (self.strip.chomp.empty? rescue true)
        self.strip.chomp
      end
    end


    def self.gem_path(name)
      if Gem::Specification.respond_to?(:find_by_name)
        return Gem::Specification.find_by_name(name).gem_dir
      else
        return Gem::SourceIndex.from_installed_gems.find_name(name).sort{|a,b|
          a.version.to_s <=> b.version.to_s
        }.last.full_gem_path
      end
    end
  end
end

class String
  include Onering::Util::String
end