FileLen Function

Note: The function, method, object, or property described in this topic is disabled if the Microsoft Jet Expression Service is running in sandbox mode, which prevents the evaluation of potentially unsafe expressions. For more information on sandbox mode, search for "sandbox mode" in Help.

Returns a Long specifying the length of a file in bytes.

Syntax

FileLen ( pathname )

The required pathnameargument is a string expression that specifies a file. The pathname may include the directory or folder, and the drive.

Remarks

If the specified file is open when the FileLen function is called, the value returned represents the size of the file immediately before it was opened.

Note:  To obtain the length of an open file, use the LOF function.

Example

Note: Examples that follow demonstrate the use of this function in a Visual Basic for Applications (VBA) module. For more information about working with VBA, select Developer Reference in the drop-down list next to Search and enter one or more terms in the search box.

This example uses the FileLen function to return the length of a file in bytes. For purposes of this example, assume that TESTFILE is a file containing some data.

Dim MySize
MySize = FileLen("TESTFILE") ' Returns file length (bytes).
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