VBA LOF Function
In this Article
LOF Description
Returns a Long representing the size, in bytes, of a file opened by using the Open statement.
LOF Syntax
In the VBA Editor, you can type “LOF(” to see the syntax for the LOF Function:
LOF(FileNumber)
The LOF function contains an argument:
FileNumber: A valid file number.
Examples of Excel VBA LOF Function
To test the LOF function, create a text file “test.txt” on the D drive.(D:\test.txt) Assume that the content of the file is as following.
abc
1 2 3
xy z
Please run the following code.
Sub LOF_Example()
Open "D:\test.txt" For Input As #1
MsgBox LOF(1)
Close #1
End Sub
Then, it will show the following dialog.
It means the file size is 16 bytes.
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