Coding Conventions for DD Statements - mfx - 3.1

Syncsort™ MFX Programmers Guide
Product type
Software
Portfolio
Integrate
Product family
Syncsort™ Software
Product
Syncsort™ MFX > MFX
Version
3.1
Language
English
ContentType
Programmer’s Guide
Product name
Syncsort™ MFX
Title
Syncsort™ MFX Programmers Guide
Topic type
How Do I
Copyright
2024
First publish date
2010
ft:lastEdition
2024-08-27
ft:lastPublication
2024-08-27T08:14:56.318001

The following table summarizes the standard coding conventions for DD statements as they relate to the sort/merge program. For more detailed information, refer to a z/OS Job Control Language manual.

Table 1. DD Statement Parameters, Standard Coding Conventions

Parameter

Subparameter

Required?

DSNAME/DSN 

 

To access a labeled data set (e.g., SORTIN, STEPLIB) or to keep or catalog the data set being created (e.g., SORTOUT, SORTOU00).

DCB 

RECFM, LRECL, and BLKSIZE

OPTCD and BUFOFF 

DCB not required for disk or standard labeled tape input.

To override the values in the data set label of an old data set; to override the values in the first SORTIN or SORTINnn file for a new data set.

To indicate ASCII input and output. 

UNIT 

 

For an input file that is not cataloged or passed; for a new data set

SPACE 

 

For a new DASD data set. 

VOLUME/VOL 

 

For an input file that is not cataloged or passed; for a DASD output data set to be cataloged or passed.

LABEL 

 

To override (1,SL).

DISP 

 

To override (NEW,DELETE).