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Check for updated version of a file by filename

Posted on 2009-07-01
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Last Modified: 2012-05-07
I would like to write a script or batch file that sits on a client machine and checks a specified folder for an access database and compares it to the copy on the client machine.  If it finds an updated version number in the specified folder, referenced by the characters following the "v" in the filename ie. dbv4.1 (4.1), it copies the Access database from that location into a folder on the client machine and opens it.  If it does not find an updated version, it opens the most up to date in the folder in the client machine.

Many thanks in advance
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Question by:cjohnson300
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Accepted Solution

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RobSampson earned 500 total points
Comment Utility
Hi there,

Something like this might work, although I haven't tested it.

Regards,

Rob.
strLocalMDBFolder = "C:\Program Files\MyApp\"

strRemoteMDBFolder = "\\server\share\LatestDB\"

If Right(strLocalMDBFolder, 1) <> "\" Then strLocalMDBFolder = strLocalMDBFolder & "\"

Set objFSO = CreateObject("Scripting.FileSystemObject")

boolNeedToCopy = False

strLocalVersion = ""

strRemoteVersion = ""

If objFSO.FolderExists(strLocalMDBFolder) = True And objFSO.FolderExists(strRemoteMDBFolder) = True Then

	For Each objFile In objFSO.GetFolder(strLocalMDBFolder).Files

		If Right(LCase(objFile.Name), 4) = ".mdb" Then

			strLocalVersion = Mid(objFile.Name, InStrRev(objFile.Name, "v") + 1)

			strLocalVersion = Left(strLocalVersion, Len(strLocalVersion) - 4)

			strLocalFile = objFile.Path

		End If

	Next

	If strLocalVersion <> "" Then

		For Each objFile In objFSO.GetFolder(strRemoteMDBFolder).Files

			If Right(LCase(objFile.Name), 4) = ".mdb" Then

				strRemoteVersion = Mid(objFile.Name, InStrRev(objFile.Name, "v") + 1)

				strRemoteVersion = Left(strRemoteVersion, Len(strRemoteVersion) - 4)

				strRemoteFile = objFile.Path

			End If

		Next

		If strRemoteVersion <> "" Then

			If CInt(strLocalVersion) < CInt(strRemoteVersion) Then

				boolNeedToCopy = True

			End If

		Else

			MsgBox "Unable to find database in remote folder."

		End If

	Else

		MsgBox "No database was found in the local database folder. Copying from remote folder."

		boolNeedToCopy = True

	End If

	If boolNeedToCopy = True Then

		MsgBox "Newer database version found. Copying to local folder."

		objFSO.CopyFile strRemoteFile, strLocalMDBFolder, True

		strLocalFile = strLocalMDBFolder & Mid(strRemoteFile, InStrRev(strRemoteFile, "\") + 1)

	Else

		MsgBox "No newer database was found. Using local version."

	End If

	Set objShell = CreateObject("WScript.Shell")

	objShell.Run """" & strLocalFile & """", 1, False

Else

	If objFSO.FolderExists(strLocalMDBFolder) = False Then

		MsgBox "Unable to find local database folder."

	Else

		MsgBox "Unable to find remote database folder."

	End If

End If

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Author Comment

by:cjohnson300
Comment Utility
Thanks Rob, that was a great starting point!

I have changed the code through testing to the below.  I had to comment out the very last line, what does that refer to?

Many thanks again
strLocalMDBFolder = "C:\local\"

'strRemoteMDBFolder = "\\server\share\LatestDB\"

strRemoteMDBFolder = "C:\master\"
 

If Right(strLocalMDBFolder, 1) <> "\" Then strLocalMDBFolder = strLocalMDBFolder & "\"

Set objFSO = CreateObject("Scripting.FileSystemObject")

boolNeedToCopy = False

strLocalVersion = ""

strRemoteVersion = ""

If objFSO.FolderExists(strLocalMDBFolder) = True And objFSO.FolderExists(strRemoteMDBFolder) = True Then

	For Each objFile In objFSO.GetFolder(strLocalMDBFolder).Files

		If Right(LCase(objFile.Name), 4) = ".mdb" Then

			strLocalVersion = Mid(objFile.Name, InStrRev(objFile.Name, "v") + 1)

			strLocalVersion = Left(strLocalVersion, Len(strLocalVersion) - 4)

			strLocalFile = objFile.Path

		End If

	Next

	If strLocalVersion <> "" Then

		For Each objFile In objFSO.GetFolder(strRemoteMDBFolder).Files

			If Right(LCase(objFile.Name), 4) = ".mdb" Then

				strRemoteVersion = Mid(objFile.Name, InStrRev(objFile.Name, "v") + 1)

				strRemoteVersion = Left(strRemoteVersion, Len(strRemoteVersion) - 4)

				strRemoteFile = objFile.Path

			End If

		Next

		If strRemoteVersion <> "" Then

			If CInt(strLocalVersion) < CInt(strRemoteVersion) Then

				boolNeedToCopy = True

			End If

		Else

			MsgBox "Unable to find database in remote folder."

		End If

	Else

		MsgBox "No database was found in the local database folder. Copying from remote folder."

		For Each objFile In objFSO.GetFolder(strRemoteMDBFolder).Files

			If Right(LCase(objFile.Name), 4) = ".mdb" Then

				strRemoteVersion = Mid(objFile.Name, InStrRev(objFile.Name, "v") + 1)

				strRemoteVersion = Left(strRemoteVersion, Len(strRemoteVersion) - 4)

				strRemoteFile = objFile.Path

			End If

		Next

		boolNeedToCopy = True

	End If

	If boolNeedToCopy = True Then

		MsgBox "Newer database version found. Copying" & strRemoteFile & " to " & strLocalMDBFolder

		objFSO.CopyFile strRemoteFile, strLocalMDBFolder, True

		strLocalFile = strLocalMDBFolder & Mid(strRemoteFile, InStrRev(strRemoteFile, "\") + 1)

	Else

		'MsgBox "No newer database was found. Using local version."

	End If

	Set objShell = CreateObject("WScript.Shell")

	objShell.Run """" & strLocalFile & """", 1, False

Else

	If objFSO.FolderExists(strLocalMDBFolder) = False Then

		MsgBox "Unable to find local database folder."

	Else

		MsgBox "Unable to find remote database folder."

	End If

End If

 

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Expert Comment

by:RobSampson
Comment Utility
The last line in the code snippet is
End If

which should just end the If statement.  Did you highlight the Select All or Open In New Window text that is in the buttons under the code snippet, and paste that into your code?

Glad to help.

Regards,

Rob.
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Author Comment

by:cjohnson300
Comment Utility
Ah yes, my mistake.
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LVL 65

Expert Comment

by:RobSampson
Comment Utility
No problem. Thanks for the grade.

Regards,

Rob.
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