January 15, 2021
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Intermediate Page Two

  • By Karl Moore
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File Sizes

To find out the size of a file, in bytes, use the FileLen() function. Here's an example:

MsgBox FileLen("c:\autoexec.bat")

That's it!

-- Mysterious AppMan's younger brother, Colin.

File Operations

Did you know Visual Basic provides complete support for all basic file operations? Here's my top three file handling code snippets:

Copy a File:

FileCopy("c:\oldfile.txt", "c:\newfile.txt")

Delete a File


Move a File

Name "c:\oldfile.txt" as "c:\newfile.txt"

Hah, who needs the API?

-- Danny Weidman, Cardiff.

Get a File Date and Time

You can use the FileDateTime() function to retrieve details of when a file was last modified.

-- David Homer, Canada.

Check if a File Exists

Here's a groovy little function I wrote to check whether a file actually exists:

Public Function FileExists(FileName As String) As Boolean    If Dir(FileName) = "" Then        FileExists = False    Else        FileExists = True    End IfEnd Function

You use it like this:

If FileExists("c:\nofilehere.txt") = False Then _MsgBox ("File does not exist!")

-- Barry Manilow, Copacobana (North of Havana).

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This article was originally published on November 20, 2002

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