STATS operator prints the minimum, maximum, average, and total messages for specified numeric fields in a dataset.

Syntax -

Required Operands

• FROM - FROM parameter specifies ddname of the input file.
• ON - ON operator specifies the field(s) used for DISPLAY operation.

Optional Operands

• VSAMTYPE - VSAMTYPE operand specifies the record format for a VSAM input file (F or V).
• LMSG - Specifies the minimum, maximum, average, and total for all numeric fields are printed as 31 digits.

Example -

Scenario - Display statistics for numeric field.

In the below example, we are display statistics for employee salary field (from 70-79 columns).

INPUT1 - MATEPK.INPUT.PSFILE5

 BROWSE    MATEPK.INPUT.PSFILE5                       Line 00000000 Col 001 080 
 Command ===>                                                  Scroll ===> CSR  
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
********************************* Top of Data **********************************
001  PAWAN         MAINFRAME           JPM       AP        IN        0000100000 
002  SRINIVAS      TESTING             ORACLE    TG        IN        0000095000 
003  SRIDHAR       SAS                 CG        OR        US        0000080000 
004  VENKATESH     ABAP                CSC       CA        IN        0000053000 
005  RAVI          HADOOP              CTS       FL        US        0000072000 
006  PRASAD        HR                  INFOSYS   MI        US        0000066000 
007  RAJA          TESTING             IBM       CA        US        0000047000 
******************************** Bottom of Data ********************************

JCL -

----+----1----+----2----+----3----+----4----+----5----+----6----+----7--
***************************** Top of Data ******************************
//MATEPKST JOB (123),'MATEPK',CLASS=A,MSGCLASS=A,MSGLEVEL=(1,1),        
//             NOTIFY=&SYSUID                                           
//*                                                                     
//STEP01   EXEC PGM=ICETOOL                                             
//INDD     DD DSN=MATEPK.INPUT.PSFILE5,DISP=SHR                         
//TOOLIN   DD *                                                         
  STATS  FROM(INDD) ON(70,10,ZD)                                        
/*                                                                      
//TOOLMSG  DD SYSOUT=*                                                  
//DFSMSG   DD SYSOUT=*                                                  
//                                                                      
**************************** Bottom of Data ****************************

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

----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9
********************************* TOP OF DATA ********************************************
1ICE600I 0 DFSORT ICETOOL UTILITY RUN STARTED                                   
                                                                                
 ICE650I 0 VISIT http://www.ibm.com/storage/dfsort FOR ICETOOL PAPERS, EXAMPLES AND MORE 
                                                                                
 ICE632I 0 SOURCE FOR ICETOOL STATEMENTS:  TOOLIN                               
                                                                                
                                                                                
 ICE630I 0 MODE IN EFFECT:  STOP                                                
                                                                                
             STATS  FROM(INDD) ON(70,10,ZD)                                     
 ICE627I 0 DFSORT CALL 0001 FOR COPY FROM INDD     TO E35 EXIT COMPLETED        
 ICE628I 0 RECORD COUNT:  000000000000007                                       
 ICE607I 0 STATISTICS FOR (70,10,ZD)    :                                       
 ICE608I 0   MINIMUM:  +000000000047000, MAXIMUM:  +000000000100000             
 ICE609I 0   AVERAGE:  +000000000073285, TOTAL  :  +000000000513000             
 ICE602I 0 OPERATION RETURN CODE:  00                                           
                                                                                
                                                                                
 ICE601I 0 DFSORT ICETOOL UTILITY RUN ENDED - RETURN CODE:  00                  
******************************** BOTTOM OF DATA ******************************************

Explaining Solution -

• INDD - Specifies the ddname for input 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.
• STATS FROM(INDD) ON(70,10,ZD) - Prints the maximum, minimum, average etc of the key field(salary 70-79 columns) specified in criteria.