def get(value)
      field = value.to_s
      match = case field
      when "time_pos" then "ANS_TIME_POSITION"
      when "time_length" then "ANS_LENGTH"
      when "file_name" then "ANS_FILENAME"
      else "ANS_#{field.upcase}"
      end
      command("get_#{value}",/#{match}/).gsub("#{match}=","").gsub("'","")
    end
def get(value)
      field = value.to_s
      match = case field
      when "time_pos" then "ANS_TIME_POSITION"
      when "time_length" then "ANS_LENGTH"
      when "file_name" then "ANS_FILENAME"
      else "ANS_#{field.upcase}"
      end
      command("get_#{value}",/#{match}/).gsub("#{match}=","").gsub("'","")
    end
returns information on file
 available values are:
 time_pos time_length file_name video_codec video_bitrate video_resolution
 audio_codec audio_bitrate audio_samples meta_title meta_artist meta_album
 meta_year meta_comment meta_track meta_genre