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4GuysFromRolla.com : ASP FAQS : FileSystemObject


Question:

How can I create a folder (directory) on the Web server?


[Print this FAQ]

Answer: The FileSystemObject contains a CreateFolder method that can be used to create a folder on the Web server's file system. This method takes one parameter, the path of the folder to create. For example, to create a FooBar folder on the C:\ drive, you could use the following code:

'Create an instance of the FileSystemObject
Dim objFSO
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")

'Create C:\FooBar
objFSO.CreateFolder("C:\FooBar")

It's that simple! One caveat: if the folder already exists and you try creating it, you will get a "File Already Exists" error. Therefore, rather than just blindly adding a new folder, you may wish to check if it exists first and, if it doesn't, then add it. You can check to see if a folder exists using the FolderExists method of the FileSystemObject object like so:

'Create an instance of the FileSystemObject
Dim objFSO
Set objFSO = Server.CreateObject("Scripting.FileSystemObject")

'Create C:\FooBar
If Not objFSO.FolderExists("C:\FooBar") then
  objFSO.CreateFolder("C:\FooBar")
End If

This script first checks to make sure the folder doesn't exist and then adds it. This method is preferred since it will not try to create a folder if it already exists.

A closing note: when dealing with IIS, the permissions granted to IUSR_machinename are important. For example, if you do not have write permission to the C:\ drive for IUSR_machinename, an error will occur in the above script. (The machinename part of the IUSR_machinename bit above is the name of the Web server. If the Web server's machine name is Bob, then the IUSR_Bob account must have adequate permissions.)

-- View the technical docs for CreateFolder
-- View the technical docs for FolderExists

Happy Programming!


FAQ posted by Scott Mitchell at 1/7/2001 3:00:05 PM to the FileSystemObject category. This FAQ has been viewed 63,362 times.

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