LOF Function

Returns a Long representing the size, in bytes, of a file opened using the Open statement.

Syntax

LOF(filenumber)

The required filenumber argument is an Integer containing a valid file number.

Note
Use the FileLen function to obtain the length of a file that is not open.

Example

This example uses the LOF function to determine the size of an open file. This example assumes that

TESTFILE

Dim FileLength Open "TESTFILE" For Input As #1 ' Open file. FileLength = LOF(1) ' Get length of file. Close #1 ' Close file.