type A format
  NO.     FILENAME         SIZE         DATE    TIME             LINE          
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"#xxx  [xxxxxxxx.xxx]   xxxxxxx byte  xx/xx/xx  xx:xx  (xxxxx) xxxxx <---> xxxxx\n" 
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type B format
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(xxx/xxx)  xxxxxxxx.xxx xxxxxxbyte xx/xx/xx xx:xx   xxxxxline  xxxxx <--> xxxxx
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