Working With Folders in ASP

By Stephen Bucaro

When ASP is installed, the FileSystemObject is automatically installed with it. The FileSystemObject allows you to work with drives, folders, and files on the server.

The FileSystemObject has a collection property called Drives. A collection is a list or array of objects of the same type. Each drive in the drives collection has a RootFolder object. Each Folder (including the RootFolder) has a subfolders collection and a Files collection.

In certain instances, you may not be sure that a specific drive exists. In that case, you should use the "DriveExists" method of the FileSystemObject before attempting to access the drive. Example code for this is shown below.

<%
Dim objFS

Set objFS = _
  Server.CreateObject("Scripting.FileSystemObject")
If objFS.DriveExists("c:") = true then
  Response.Write("Drive Exists")
Else
  Response.Write("Drive Doesn't Exist")
End If
Set objFS = Nothing
%>

The drive that you are attempting to access might be a removable storage unit. In that case, you should check the Drive objects IsReady property to make sure the removable media is installed before attempting to access the drive. Example code for this is shown below.

<%
Dim objFS, Drv

Set objFS = _
  Server.CreateObject("Scripting.FileSystemObject")
Set Drv = objFS.GetDrive("c:")

If Drv.IsReady = True Then
  Response.Write("Drive Ready")
Else
  Response.Write("Drive Not Ready")
End If
Set Drv =  Nothing
Set objFS = Nothing
%>

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