z/OS DFSMSdfp Utilities
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Example 2: Create a Partitioned Data Set from Sequential Input

z/OS DFSMSdfp Utilities
SC23-6864-00

In this example, a partitioned data set (consisting of three members) is created from sequential input.
  //TAPEDISK JOB  ...
  //STEP1    EXEC PGM=IEBGENER
  //SYSPRINT DD  SYSOUT=A
  //SYSUT1   DD  DSNAME=INSET,UNIT=tape,LABEL=(,SL),
  //             DISP=(OLD,KEEP),VOLUME=SER=001234
  //SYSUT2   DD  DSNAME=NEWSET,UNIT=disk,DISP=(,KEEP),
  //             VOLUME=SER=111112,SPACE=(TRK,(10,5,5)),
  //             DCB=(RECFM=FB,LRECL=80,BLKSIZE=2000)
  //SYSIN    DD  *
       GENERATE  MAXNAME=3,MAXGPS=2
         MEMBER  NAME=MEMBER1
  GROUP1 RECORD  IDENT=(8,'FIRSTMEM',1)
         MEMBER  NAME=MEMBER2
  GROUP2 RECORD  IDENT=(8,'SECNDMEM',1)
         MEMBER  NAME=MEMBER3
  /*
The control statements are as follows:
  • SYSUT1 DD defines the input data set (INSET). The data set is the first data set on a tape volume.
  • SYSUT2 DD defines the output partitioned data set (NEWSET). The data set is to be placed on a disk volume. Ten tracks of primary space, five tracks of secondary space, and five blocks (256 bytes each) of directory space are allocated to allow for future expansion of the data set. The output records are blocked to reduce the space required by the data set.
  • SYSIN DD defines the control data set, which follows in the input stream. The utility control statements are used to create members from sequential input data; the statements do not specify any editing.
  • GENERATE indicates that three member names are included in subsequent MEMBER statements and that the IDENT parameter appears twice in subsequent RECORD statements.
  • The first MEMBER statement assigns a member name (MEMBER1) to the first member.
  • The first RECORD statement (GROUP1) identifies the last record to be placed in the first member. The name of this record (FIRSTMEM) appears in the first eight positions of the input record.
  • The remaining MEMBER and RECORD statements define the second and third members. Note that, as there is no RECORD statement associated with the third MEMBER statement, the remainder of the input file will be loaded as the third member.

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