FILELEN

• Source: https://www.freebasic.net/wiki/wikka.php?wakka=KeyPgFilelen
• Last revised: 2022-03-25

---

Finds the length of a file given its filename

Syntax

` declare function FileLen ( filename as string ) as longint

`

Usage

#include "file.bi"
result = FileLen(filename)

or

#include "vbcompat.bi"
result = FileLen(filename)

Parameters

filename

A string argument specifying the filename of the file whose length to return.

Description

Returns the size in bytes of the file specified by filename.

Examples

start GeSHi

#include "file.bi"
Dim length As LongInt
length = FileLen("file.txt")

end GeSHi

Platform Differences

• Linux requires the filename case matches the real name of the file. Windows and DOS are case insensitive.
• Path separators in Linux are forward slashes / . Windows uses backward slashes \ but it allows for forward slashes . DOS uses backward \ slashes.

Differences from QB

• New to FreeBASIC. Existed in Visual Basic.

See also

• Lof

Back to DocToc