FOPTNUM Function: Windows

Returns the number of information items that are available for a file.

Category:	External Files
Windows specifics:	information items available
See:	FOPTNUM Function in SAS Functions and CALL Routines: Reference

Syntax

FOPTNUM(file-id)

specifies the identifier that was assigned when the file was opened, generally, by the FOPEN function.

Six information items are available for files:

These information items are available for pipes:

FOPTNUM returns the following values:

For files:

For pipes:

For an example of the FOPTNUM functions, see Obtaining Directory Information.