SAS(R) 9.1.3 Companion for z/OS

System Options under z/OS FILEREUSE System Option 437
NOFILENULL
prevents zero-length records from being written to external files. This type of record
is ignored.
Details
If your file transfer program cannot handle zero-length records, you should specify
NOFILENULL before you create the file that you want to transfer.
FILEPROMPT System Option
Controls whether you are prompted if you reference a data set that does not exist
Default: FILEPROMPT (interactive); NOFILEPROMPT (batch)
Valid in: configuration file, SAS invocation, OPTIONS statement, OPTIONS window
Category: File Control: EXTFILES, File Control: SASFILES
PROC OPTIONS GROUP= EXTFILES and SASFILES
z/OS specifics: all
Syntax
FILEPROMPT | NOFILEPROMPT
FILEPROMPT
specifies that you want to be prompted. The prompt allows you to create the data set
dynamically or to cancel the request. This is the default value in the interactive
environment.
NOFILEPROMPT
specifies that you do not want to be prompted. In this case, the data set is not
created, and your LIBNAME or FILENAME statement or function fails.
Details
The FILEPROMPT option controls whether you are prompted if the physical file that is
referenced in a FILENAME statement or function or in a LIBNAME statement or
function does not exist. This option has no effect in batch mode.
FILEREUSE System Option
Specifies whether to reuse an existing allocation for a file that is being allocated to a temporary
DDname
Default: NOFILEREUSE
Valid in: configuration file, SAS invocation, OPTIONS statement, OPTIONS window
Category: File Control: EXTFILES