markdown list of chrome tabs

#!/usr/bin/env ruby -rjcode -Ku

# grabs Chrome tabs
# creates markdown reference list
# generates unique, short titles based on domains
# truncates feedburner stuff

$KCODE = 'u'
UNICODE_COMPETENT = ((RUBY_VERSION)[0..2].to_f > 1.8)

unless UNICODE_COMPETENT # lower than 1.9
  class String
     def utf8_length
        i = 0
        i = self.scan(/(.)/).length
        i
     end
  end
else # 1.9 and above
  class String
     alias_method :utf8_length, :length
  end
end

def chrome_refs
  input = %x{osascript -e 'tell application \"Google Chrome\"' -e 'set tabList to every tab of window 1' -e 'set urlList to \"\"' -e 'repeat with aTab in tabList' -e 'set aLink to URL of aTab & ASCII character 10' -e 'set urlList to urlList & aLink' -e 'end repeat' -e 'return urlList' -e 'end tell'}.chomp
  links = input.scan /(?:\[([^\]]+)\]\: )?(https?:\/\/[^ \n"]+)/m

  if links.empty? && input.empty?
    exit
  else
    norepeat = []
    output = []
    links.each {|url|
      url[1] = url[1].sub(/[\?&]utm_source=feed.*$/,'')
        if url[0].nil?
          if url[1] =~ (/http:\/\/itunes.apple.com\/(.+?)\/app\/(.+?)\/id\d+/)
            name = $2
          elsif url[1] =~ /(itunes|phobos).apple.com/
            name = "itunes"
          else
              domain = url[1].match(/https?:\/\/([^\/]+)/)
              parts = domain[1].split('.')
              name = case parts.length
                  when 1: parts[0]
                  when 2: parts[0]
                  else parts[1]
              end
            end
        else
            name = url[0]
        end

        while norepeat.include? name
            if name =~ / ?[0-9]$/
                name.next!
            else
                name = name + " 2"
            end
        end
        output << {'title' => name, 'link' => url[1] }
        norepeat.push name
    }
    output = output.sort {|a,b| a['title'] <=> b['title']}
    counter = 0
    output.each { |x|
        counter += 1
        puts "[#{x['title']}]: #{x['link']}"
    }
  end
end

chrome_refs