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File manipulation with VBA

Posted on 2007-11-30
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Last Modified: 2008-02-01
Hi,

I would like to be able to change file attributes using vba. Also, I would like to see creation date and last accessed date.

Here's an example of what I'd like to do with my code:
1) Change attribute of a file to hidden, read-only, or archive
2) Get the last access date of the file or last modified date.

I would like this code to run for all files in a folder X.
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Question by:alateos
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4 Comments
 
LVL 38

Expert Comment

by:PaulHews
ID: 20383478
1.  Use SetAttr
example:
SetAttr Path, vbHidden Or vbSystem

2. Use FileDateTime, which returns date created or modified

Dim dt as Date
dt = FileDateTime(Path)

For last modified date, you should consider the FileSystemObject...
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LVL 38

Expert Comment

by:PaulHews
ID: 20383499
>For last modified date, you should consider the FileSystemObject...

Meant to be last access date...  FileSystemObject can get all the different types of file date/time stamps:

Example:

Dim fso, file, createdate
Set fso= CreateObject("Scripting.FileSystemObject")
Set file= fso.GetFile("C:\temp\test.txt")
msgbox "Created " &  file.DateCreated
msgbox "Modified " & file.DateLastModified
msgbox "Last accessed " & file.DateLastAccessed

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Author Comment

by:alateos
ID: 20383527
thanks for your reply Paul... could you please show me a full practical example... where the app looks through a folder... also please show how one can set the attribute in the example
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LVL 38

Accepted Solution

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PaulHews earned 250 total points
ID: 20383608
Here's an example without the FileSystemObject using pure VB functions.  Let me know if you actually need the access date.
Public Function fGetFiles(ByVal strSpec As String, ByVal strPath As String) As Variant
    Dim strFile() As String, strTemp As String
    Dim lngCount As Long, lngNum As Long
    Const Chunk = 200
    On Error GoTo errGetFiles
    lngNum = Chunk
    ReDim strFile(1 To lngNum)
    If Right$(strPath, 1) <> "\" Then strPath = strPath & "\"
    lngCount = 1
    strTemp = Dir(strPath & strSpec)
    Do While Len(strTemp) > 0
        If lngCount > UBound(strFile) Then
            lngNum = lngNum + Chunk
            ReDim Preserve strFile(1 To lngNum)
        End If
        strFile(lngCount) = strTemp
        strTemp = Dir
        lngCount = lngCount + 1
    Loop
    If lngCount > 1 Then
        ReDim Preserve strFile(1 To lngCount - 1)
    Else
        ReDim strFile(-1 To -1)   'Avoid errors when no files.  Send back a one element blank array.
    End If
    fGetFiles = strFile
    Exit Function
errGetFiles:
    
    MsgBox Err.Description, vbCritical, "fGetFiles"
 
End Function
 
Private Sub Command1_Click()
    Dim strFiles() As String
    Dim i As Long
    Dim strPath As String
    
    strPath = "C:\temp\"
    
    strFiles = fGetFiles("*.*", strPath)
    For i = 1 To UBound(strFiles)
        Debug.Print strFiles(i) & ": " & FileDateTime(strPath & strFiles(i))
        SetAttr strPath & strFiles(i), vbReadOnly Or vbHidden
    Next
End Sub

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