zOs/SKELS/REPACNT

//S01      EXEC PGM=IKJEFT01,DYNAMNBR=200,TIME=99
//SYSTSIN  DD *
    DSN SYSTEM($dbSub)
   RUN PROGRAM(DSNTEP2) PARMS('ALIGN(LHS)') PLAN(DSNTEP2)
//SYSTSPRT DD SYSOUT=*
//SYSPRINT DD SYSOUT=*
//SYSUDUMP DD SYSOUT=*
//SYSTERM  DD DUMMY
//SYSIN    DD *
    SELECT COUNT(*)
        FROM $tb
        WITH UR