Download Progress

gistfile1.rb

 # download zip file
    source = open(feed_url,
      :content_length_proc => lambda { |t|
        start = Time.now
        
        if t && 0 < t
          content_length = t / 100
        end
      },
      :progress_proc => lambda { |s|
        if not start.nil?
          secs = Time.now - start
          
          rate = (s / secs) / 1024
          kb = s / 1024
          mb = '%.2f' % (s / 1048576.to_f)
          
          puts "#{mb}Mb downloaded"
          # puts "#{rate.to_i}KB/s"
          
        end
      }
    )