cylic_string.rb

def cyclicString(s)
    answer = 1

    while (answer < s.length)
          correct = true
          position = 0

          while (position + answer < s.length)
                if s[position] != s[position + answer] then
                   correct = false
                   break
                end

                position = position + 1
          end

          if correct == true then
             return answer
          end

          answer = answer + 1
    end

    return s.length
end