How to convert Russian text to utf-8 using Ruby?

Question

Ruby on Rails

Please advise some kind of gem for automatic encoding detection that would work with Russian characters.
As an example, you need to recognize the encoding and recode the text of the title of a Russian song into utf-8:
Input: ÌÎÐÑÊÀß ×ÅÐÅÏÀØÊÀ
Output:МОРСКАЯ ЧЕРЕПАШКА

Answer 1

apt-get install enca

require 'open3'

def detect_and_convert(str)
  stdout, stderr, status = Open3.capture3('enca -c', :stdin_data => str)
  stdout
end