Displays the value occurrences (OCCUR Operator) Example


Scenario - Display the number of employees based on the country code(two characters from the 60th column).

INPUT - MATEPK.INPUT.PSFILE

----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
001  PAWAN         MAINFRAME           JPM       AP        IN
002  SRINIVAS      TESTING             ORACLE    TG        IN
003  SRIDHAR       SAS                 CG        OR        US
004  VENKATESH     ABAP                CSC       CA        US
005  RAVI          HADOOP              CTS       FL        US
006  PRASAD        HR                  INFOSYS   MI        US
007  RAJA          TESTING             IBM       CA        US

JCL -

----+----1----+----2----+----3----+----4----+----5----+
//MATEPKIT JOB (123),'MATEPK',CLASS=A,MSGCLASS=A,
//             MSGLEVEL=(1,1),NOTIFY=&SYSUID
//*
//STEP01   EXEC PGM=ICETOOL
//INDD     DD DSN=MATEPK.INPUT.PSFILE,DISP=SHR
//OUTDD    DD DSN=MATEPK.OUTPUT.PSFILEO,
//            DISP=(NEW,CATLG,DELETE),VOLUME=SER=DEVHD4,
//            SPACE=(TRK,(1,1),RLSE),UNIT=SYSDA,
//            DCB=(DSORG=PS,RECFM=FB,LRECL=80,BLKSIZE=800)
//TOOLIN   DD *
  OCCUR FROM(INDD) LIST(OUTDD)                  - 
        TITLE('EMPLOYEES COUNT: COUNTRY LEVEL') -
        ON(60,2,CH) ON(VALCNT)
/* 
//TOOLMSG  DD SYSOUT=*
//DFSMSG   DD SYSOUT=*
//

OUTPUT - MATEPK.OUTPUT.PSFILEO

----+----1----+----2----+----3----+----4----+----5----+
EMPLOYEES COUNT: COUNTRY LEVEL

(60,2,CH)              VALUE COUNT
IN                     000000000000002
US                     000000000000005

TOOLMSG (SDSF SPOOL) - Verify TOOLMSG for the return code of the submitted job.

OCCUR TOOLMSG

Explaining Example -

  • INDD - Specifies the ddname for input file.
  • OUTDD - Specifies the ddname for output file.
  • TOOLIN DD * - Specifies the ICETOOL statements for DFSORT.
  • TOOLMSG - Specifies where to write the ICETOOL processing messages.
  • DFSMSG - Specifies where to write the DFSORT processing messages.
  • COPY FROM(INDD) TO(OUTDD) - Copies all the records from INDD file to OUTDD file.
  • OCCUR FROM(INDD) LIST(OUTDD1)
    TITLE('EMPLOYEES COUNT: COUNTRY LEVEL')
    ON(60,2,CH) ON(VALCNT)
    - Writes the employee record occurrences to the OUTDD based on the selection criteria.