問題: 下面的這個腳本循環播放超過4百萬個文件並檢索文件屬性信息以確定可以清除的內容。目前的過程已經使用20 + GB的RAM,只有一半完成。VBScript - 在循環中使用文件夾名稱創建文本文件
我一直在創建一個大的批處理文件來將每個子文件夾的內容寫入一個新的文本文件。這是不實際的,因爲它耗費時間,這是我將運行此過程的幾臺服務器中的第一臺。
問題: - 是否有可能基於子文件夾循環創建一個新文件來寫入? (使用對象屬性代替文件似乎沒有辦法) - 是可以將內容寫入文件,然後從我的臨時內存中清除以前的數據?
Set objFSO = CreateObject("Scripting.FileSystemObject")
objStartFolder = "C:\Test"
Set objFolder = objFSO.GetFolder(objStartFolder)
Set colFiles = objFolder.Files
For Each objFile in colFiles
On Error Resume Next
If Err Then
MyFile.Write "Error accessing " & objFile & ": " & Err.Description & vbCrLf
Err.Clear
Else
Q="""" 'Wrap quotes around string
strFilePath = Q & objFile.Path & Q
strFileName = Q & objFile.Name & Q
strFileSize = objFile.Size
strFileType = Q & objFile.Type & Q
strFileDateCreated = objFile.DateCreated
strFileDateLastAccessed = objFile.DateLastAccessed
strFileDateLastModified = objFile.DateLastModified
Set objWMIService = GetObject("winmgmts:")
Set objFileSecuritySettings = _
objWMIService.Get("Win32_LogicalFileSecuritySetting=""" & replace(objFile, "\", "\\") & """")
intRetVal = objFileSecuritySettings.GetSecurityDescriptor(objSD)
If intRetVal = 0 Then
strFileOwner = Q & objSD.Owner.Domain & "\" & objSD.Owner.Name & Q
Else
strFileOwner = Q & "Couldn't retrieve security descriptor." & Q
End If
' CreatedDiff = DateDiff("yyyy",strFileDateCreated,Now)
' AccessedDiff = DateDiff("yyyy",strFileDateLastAccessed,Now)
' ModifiedDiff = DateDiff("yyyy",strFileDateLastModified,Now)
' MaxTime = 3 'Max time in years. For days change "yyyy" to "d"
' If (CreatedDiff >= MaxTime) AND (AccessedDiff >= MaxTime) AND (ModifiedDiff >= MaxTime) Then
MyFile.Write strFilePath & "~|~" &_
strFileName & "~|~" &_
strFileSize & "~|~" &_
strFileType & "~|~" &_
strFileDateCreated & "~|~" &_
strFileDateLastAccessed & "~|~" &_
strFileDateLastModified & "~|~" &_
strFileOwner & vbCrLf
' End If
End If
Next
ShowSubfolders objFSO.GetFolder(objStartFolder)
Sub ShowSubFolders(Folder)
For Each Subfolder in Folder.SubFolders
On Error Resume Next
Set objFolder = objFSO.GetFolder(Subfolder.Path)
Set colFiles = objFolder.Files
For Each objFile in colFiles
On Error Resume Next
If Err Then
MyFile.Write "Error accessing " & objFile & ": " & Err.Description & vbCrLf
Err.Clear
Else
Q="""" 'Wrap quotes around string
strFilePath = Q & objFile.Path & Q
strFileName = Q & objFile.Name & Q
strFileSize = objFile.Size
strFileType = Q & objFile.Type & Q
strFileDateCreated = objFile.DateCreated
strFileDateLastAccessed = objFile.DateLastAccessed
strFileDateLastModified = objFile.DateLastModified
Set objWMIService = GetObject("winmgmts:")
Set objFileSecuritySettings = _
objWMIService.Get("Win32_LogicalFileSecuritySetting=""" & replace(objFile, "\", "\\") & """")
intRetVal = objFileSecuritySettings.GetSecurityDescriptor(objSD)
If intRetVal = 0 Then
strFileOwner = Q & objSD.Owner.Domain & "\" & objSD.Owner.Name & Q
Else
strFileOwner = Q & "Couldn't retrieve security descriptor." & Q
End If
' CreatedDiff = DateDiff("yyyy",strFileDateCreated,Now)
' AccessedDiff = DateDiff("yyyy",strFileDateLastAccessed,Now)
' ModifiedDiff = DateDiff("yyyy",strFileDateLastModified,Now)
' MaxTime = 3 'Max time in years. For days change "yyyy" to "d"
' If (CreatedDiff >= MaxTime) AND (AccessedDiff >= MaxTime) AND (ModifiedDiff >= MaxTime) Then
MyFile.Write strFilePath & "~|~" &_
strFileName & "~|~" &_
strFileSize & "~|~" &_
strFileType & "~|~" &_
strFileDateCreated & "~|~" &_
strFileDateLastAccessed & "~|~" &_
strFileDateLastModified & "~|~" &_
strFileOwner & vbCrLf
' End If
End If
Next
ShowSubFolders Subfolder
Next
End Sub
有這麼多的數據要存儲,你確定一個文本文件是你最好的選擇?你有沒有考慮過使用數據庫?另外'On Error Resume Next'清除'Err'對象。所以你的'If Err Then'測試總是會是'False'。 – Bond 2014-09-11 12:36:52
感謝您的意見。關於您直接存儲到數據庫的問題,最終我會將這些文件加載到MySQL數據庫中。但是,憑藉我有限的VBScript知識,我選擇採用兩步法。任何意見或建議,你可能會不勝感激。 – user3549887 2014-09-11 15:33:12