NAME
  LOF Function

SYNOPSIS
  LOF(filenumber%)
      o filenumber%    The number of an open file.

DESCRIPTION
  Returns the length of a file in bytes.

  Example:
      INPUT "Enter filename: "; f$
      OPEN f$ FOR BINARY AS #1
      PRINT "File length = "; LOF(1)
      CLOSE

SEE ALSO
  none