RSS Autodiscovery gem in Ruby

Question

Does anybody know some RSS Autodiscovery gem in Ruby? I could not find an appropriate gem.

The things that I want gem to do are

1. Do RSS autodiscovery
2. Be applicable into Ruby on Rails 3.2

Thank you very much in advance.

Answer 1

As far as I investigated rfeedfinder is the best for RSS Autodiscovery in Ruby.

Answer 2

Here are two of them:

1. TruffleHog
2. Feedbag