Memorex LOCK - VERSION 2-24 Technical Information PDF herunterladen (Seite 220)

100

101

DD Statement Syntax

6-4 User Reference

Use Pursuant to Company Instructions

DD Statement Syntax

Description You can specify multiple parameters in the dataset definition (DD)

statement syntax. Some parameters may have multiple subparameters.

BIM-EPIC DD conventions conform to MVS conventions, for example,

separating multiple parameters and subparameters with commas and

enclosing multiple subparameters in parentheses.

Many subparameters are positional. If you omit a positional

subparameter, you must include a comma in the position of the omitted

subparameter for all but the last subparameter. For example:

* //SYS007 DD DSN=SORTWK,UNIT=SYSDA,DISP=(NEW,DELETE),

* // SPACE=(TRK,(5,5),RLSE),VOL=SER=DOSRES,

* // VOL=(,RETAIN,,,REF=*.TAPEOUT)

All DD statements and continuations can extend through column 71.

Parameters and their values cannot be continued and must be all on the

same line.

Syntax The following provides another example of a DD statement syntax.

* //ddname DD parameter,...,parameter,

* // parameter,...,parameter

Continuation

Rules

The following are parameter continuation rules you must consider.

MVS

Compatibility

In MVS, the first parameter in a continuation line must begin in or before

column 16. If you are specifying a DD statement for later use in MVS,

begin your VSE continuations in or before column 18 to maintain

compatibility. When moving the statement to MVS, delete the asterisk

and the space that follows thereby shifting the rest of the statement two

columns to the left. For example:

* //SYS007 DD DSN=SORTWK,DISP=(NEW,DELETE),

* // UNIT=SYSDA,VOL=SER=DOSRES,

* // SPACE=(TRK,(5,5),RLSE)

Rule Action

1 Interrupt the statement on or before column 71. The break must

occur on a keyword boundary and must be a comma. Do not split

subparameters and do not specify a comment after the comma.

2 Begin the next statement with the statement identifier * // in

columns 1 through 4. Omit ddname and the DD operation code.

The continuation may begin in any column as long as there is at

least one blank after the * //. For ease in reading, it is

recommended that all continuations begin in the same column.

1 2 ... 215 216 217 218 219 220 221 222 223 224 225 ... 567 568

Kommentare zu diesen Handbüchern

Keine Kommentare

Memorex LOCK - VERSION 2-24 Technical Information Seite 220

Kommentare zu diesen Handbüchern