Robocopy with log

/LOG::file 輸出狀態至記錄檔 (覆寫現有的記錄檔) 。
/np : No Progress - don't display % copied.
example:

robocopy Y:\ Z:\  /np /LOG:C:\111.log

reference
http://ss64.com/nt/robocopy.html
http://wt.pixnet.net/blog/post/21523331-%E6%B7%BA%E8%AB%87batch-file-command