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WD2000: Macro to Determine If a File Exists on Disk

This article was previously published under Q198842
The following sample macros determine whether a specified file exists in thecurrent folder.

These macros can help you avoid receiving error messages such as"File not found" and "Document does not exist" when you open or deletespecific files using Visual Basic for Applications.
Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements. This example uses the Dir function to check whether a certain file exists.
Dir Function Syntax:

Visual Basic for Applications Sample Code:
   Sub DoesFileExist()      Dim MyFile as String      ' Returns "WIN.INI" if it exists.      MyFile = Dir("C:\WINDOWS\WIN.INI")      If MyFile <> "" Then MsgBox "File Exists."   End Sub				

NOTE: To avoid getting an error, you must specify pathname the first timeyou call the Dir function.

Dir returns the first file name that matches pathname. When no more filenames match, Dir returns a zero-length string (""). After a zero-lengthstring is returned, you must specify pathname in subsequent calls or anerror occurs.
For more information about the Dir function, in the Visual Basic Editor, click Microsoft Visual Basic Help on the Help menu, type Dir in the Office Assistant or the Answer Wizard, and then click Search to view the topic.

For additional information about running sample code, please see the following article in theMicrosoft Knowledge Base:
ARTICLE-ID: 212536
TITLE : OFF2000: How to Run Sample Code from Knowledge Base Articles
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Article ID: 198842 - Last Review: 10/11/2006 15:43:27 - Revision: 3.2

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