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<h3><a href="/article/e7-ad-86-e8-a8-98-forfiles-xcopy-list-files-modified-last-x-days/">[筆記] forfiles xcopy list files modified last x days</a></h3>
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<span class="date moment">2015-09-14</span>
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<p>筆記一下，免得忘掉</p>
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<p>為了解決DMP批次轉檔效率問題，想出一個方法不知道可不可行</p>
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<p>因為現行的方式是掃過一次NAS上的檔案，有異動的就去轉檔</p>
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<p>然後NAS上的檔案可能有上萬個，所以導致效能很糟糕..</p>
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<p>於是想說能不能先把有異動過的檔案，複製回本機，掃描過後，再去刪除，每天跑批次這樣..</p>
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<p>先筆記一下怎麼把有異動過的檔案複製回本機
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> forfiles /S /P d:\BaiduYunDownload /D +2015/09/01 /M <em>V</em>.mkv -c “cmd /C Xcopy @path d:\test /y /s /d”
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不過因為 forfiles 不支援 UNC ，所以要結合其他的命令 PushD</p>
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<p>@echo off
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> PushD “\192.168.10.119\資訊部” &&(
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>
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>
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> “c:\windows\system32\forfiles.exe” /D +%data% -c “cmd /C c:\windows\system32\xcopy @path d:\test /y /s /d”
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>
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>
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> ) & PopD
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這樣的作法不會建立完整的路徑…還要想看怎麼解決</p>
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<p>update</p>
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<p>想了想，還是用 rsync 好了，比較好處理，先 rsync 到一個目錄，透過SMB 讓DMP主機Mount，再修改 config
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> rsync -Ra <code>find /nas/資訊部 -type f -mtime -1</code> /root
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這樣會在/root 底下建立 /nas/資訊部/1.xxxx /nas/資訊部/2-xxx 的完整路徑</p>
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<p>每天大約2300 跑一次，然後半夜讓DMP 去轉檔一次，然後每天中午清掉這個備份路徑(DMP應該可以轉完吧..)，先這樣試試看</p>
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<p> </p>
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<p>update</p>
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<p>1.清除舊資料
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> rm -rf /NAS_Daily/nas ; rm -rf /tmp/query_7days_change.txt
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2.find 產出檔案列表
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> find /nas/查詢資料夾/ -name ‘@eaDir’ -prune -o -mtime -7 -type f -print > /tmp/query_7days_change.txt
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3. rsync同步
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> rsync -Rav –files-from=/tmp/query_7days_change.txt / /NAS_Daily/
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4. chmod 不然 Windows 那邊會進不了目錄
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> chmod -R 777 /NAS_Daily
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by Lednerb
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</script>
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</body>
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</html>
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