//MYPROC PROC DAY=
//STEP01 EXEC PGM=SORT,PARM='JP1"&DAY"' 
//SYSOUT  DD SYSOUT=*
//SYMNOUT DD SYSOUT=*
//SORTIN DD DSN=MYCNTL.PDS(SEL),DISP=SHR
//SORTOUT DD SYSOUT=*
//SYSIN DD DSN=MYCNTL.PDS(OVLY),DISP=SHR
//  PEND