LOF function

Purpose

Return the length of an open disk file.

Syntax

y&& = LOF([#] filenum&)

Remarks

filenum& is the file number with which the file was opened.  LOF returns the size of the indicated file in bytes, in the Quad-integer range 0 to 2^63-1.  The Number symbol (#) is optional, but recommended for clarity.

See also

FILEATTR, LOC, SEEK functionSEEK statement

Example

OPEN "RECIPES.DAT" FOR BINARY AS #1

x&& = LOF(1)

CLOSE #1