System Options under z/OS

FILENULL System Option: z/OS

Specifies whether zero-length records are written to external files.

Default:	FILENULL
Valid in:	configuration file, SAS invocation, OPTIONS statement, OPTIONS window
Category:	File Control: EXTFILES
PROC OPTIONS GROUP=	EXTFILES
z/OS specifics:	all

Syntax
Details

Syntax

FILENULL | NOFILENULL

FILENULL: allows zero-length records to be written to external files. FILENULL is the default value.
NOFILENULL: prevents zero-length records from being written to external files. This type of record is ignored.

If your file transfer program cannot handle zero-length records, you should specify NOFILENULL before you create the file that you want to transfer.