IBM Mainframe Forum

Posted: **Fri Aug 29, 2014 10:49 pm**

It is not clear what this means. Please elaborate:

I change "CPU"

Have you shown us all of the rexx program? It seems like there is something you are not showing us.

Please add a TRACE('R') to your program and show us the trace.

Posted: **Mon Sep 01, 2014 8:00 am**

My JCL is

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//@1MAIN JOB SORT,CLASS=A,MSGCLASS=X,MSGLEVEL=(1,0),
// REGION=4M,COND=(4,LT),NOTIFY=&SYSUID,TIME=(0,10)
//********************************************************************
//CALLREXX EXEC PGM=IKJEFT01
//SYSEXEC DD DISP=SHR,DSN=ES6LTHT.JCL.REXX
//FILEIN DD DSN=SYSOPERT.MVSTRMF.SESSION3,DISP=SHR
//FILEOUT DD DSN=ES6LTHT.SESSION,DISP=SHR
//SYSTSPRT DD SYSOUT=X
//SYSTSIN DD *
CPU
/*

and when I call REXX "ES6LTHT.JCL.REXX(CPU), I can run the JOB

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'EXECIO * DISKR FILEIN (FINIS STEM DATA.'
DO I=1 TO DATA.0
IF SUBSTR(DATA.I,2,7) = "PRODUCT" THEN DO
SAY " CPU:" SUBSTR(DATA.I,128,5)
END
END
EXIT

But I call REXX "ES6LTHT.JCL.REXX(TEST)" , It show the Message "IKJ56701I MISSING DSNAME"

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SAY "TIME: CPU: CSA: ECSA:"
'EXECIO * DISKR FILEIN (FINIS STEM DATA.'
DO I=1 TO DATA.0
line = ""
IF SUBSTR(DATA.I,1,4) = "-CPU" THEN DO
J = I - 1
line = SUBSTR(DATA.J,71,8)
END
IF SUBSTR(DATA.I,2,7) = "PRODUCT" THEN
line = OVERLAY(SUBSTR(DATA.I,128,5),line,14)
IF SUBSTR(DATA.I,34,5) = "BELOW" THEN DO
L = I + 5
line = OVERLAY(SUBSTR(DATA.L,39,5),line,24)
line = OVERLAY(SUBSTR(DATA.L,79,4),line,37)
SAY line
END
END
EXIT

Sorry, Could you teach me how to use TRACE('R').
Thanks

Posted: **Mon Sep 01, 2014 11:20 am**

Sorry, Could you teach me how to use TRACE('R').

Is it SO difficult to read the Rexx manual?

Are you using the same JCL to run the exec TEST? If not, are you sure you have a FILE IN DD dtatement, and pointing to the correct dataset name?

Posted: **Mon Sep 01, 2014 3:29 pm**

I found the problem is that I can't name the REXX "TEST", so I change its name "CPUCPU". I can run the job successfully.
"TEST" is TSO command or problems, I will find why I can't named it "TEST".
But when I ues the REXX

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SAY "TIME: CPU: CSA: ECSA:"
'EXECIO * DISKR FILEIN (FINIS STEM DATA.'
DO I=1 TO DATA.0
line = ""
IF SUBSTR(DATA.I,1,4) = "-CPU" THEN DO
J = I - 1
line = SUBSTR(DATA.J,71,8)
END
IF SUBSTR(DATA.I,2,7) = "PRODUCT" THEN
line = OVERLAY(SUBSTR(DATA.I,128,5),line,14)
IF SUBSTR(DATA.I,34,5) = "BELOW" THEN DO
L = I + 5
line = OVERLAY(SUBSTR(DATA.L,39,5),line,24)
line = OVERLAY(SUBSTR(DATA.L,79,4),line,37)
SAY line
END
END
EXIT

The result will be

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TIME: CPU: CSA: ECSA:
1104K 307M
1104K 307M
1104K 307M
1104K 307M

It can't show TIME and CPU's value, So I delete

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line = ""

I can run the JOB successfully and it can show the true value.
Thank for everybody's help.
My English is not well, so I can't express what I mean clearly.
Please forgive me.

Posted: **Tue Sep 02, 2014 9:20 pm**

I think you still need:

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line = ""

It should be immediately before the EXECIO statement and also again immediately after SAY LINE.

You want to initialize it each time in case there is a missing input record. Clearing the line ensures that you do not have data from an unrelated set of records.

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