Returns a Long representing the size, in bytes, of a file opened by using the Open statement.
Syntax
LOF(filenumber)
The required filenumber argument is an Integer containing a valid file number.
Tips
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 is a text file containing sample data.
Dim FileLength
Open "TESTFILE" For Input As #1 ' Open file.
FileLength = LOF(1) ' Get length of file.
Close #1 ' Close file.