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DD Statements for Dummy Datasets
6-52 User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
DD Statements for Dummy Datasets
Description Dataset definition (DD) statements can define dummy datasets.
Syntax The following provides an example of a dummy dataset syntax.
* //ddname DD DUMMY[,OPTION=SYSnnn]
Parameters The following parameters are valid for dummy datasets.
Definitions The following provides definitions for the parameters you can use with
CATALOG.
Example The following example defines the dataset name SYS005 as a dummy
dataset. The result is equivalent to a VSE // ASSGN SYS005,IGN. Input
and output to the dataset are ignored.
* //SYS005 DD DUMMY
Parameter Required? Valid Default
ddname Yes None
DD Yes None
DUMMY Yes None
OPTION No None
SYSnnn No SYS000 to SYS254 None
Parameter Definition
ddname Specifies the logical name for the dataset and
performs the same function as the DTF filename.
The ddname must begin in column 5.
DD Identifies this as a DD JCL statement. At least one
blank is required immediately before and
immediately after DD operation code. Do not use
the DD operation code in continuation statements.
DUMMY Specifies that this is a dummy dataset.
SYSnnn Specifies a programmer logical unit. Use SYSnnn
if the ddname is not a logical unit specification.
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