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EJECT Verb in COBOL 21
Cobol Multiple Choice Questions By Shravan Wipro 16
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jcl sort to add leading zeroes 13
SOC 7 abend - interview question 13
what is static or dynamic call in cobol 13
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Hexadecimal to decimal conversion - SORT JCL INREC OUTREC 12
Infosys Training Program for freshers 10
HOW TO FIND LINKAGE LENGTH 10
VSAM File status 23 ,but records are present in the file 7
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splitting of records using cobol 6
JOIN UNPAIRED,F1,F2,ONLY 6
Endevor 6
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Comparing 2 files based on Acct number without using tables 3
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Control flow from one STEP to another 3
Recently faced mainframe cobol Interview Questions. 3
RESTART - Executing 2 and 3 rd step in 5 step jcl 3
sort two files with same sort condition 3
static and dynamic calls 3
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restart question 3
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JCL SORT - Count number of records in a file 3
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what is index or subscript in cobol. please give me brief ex 2 2
static and dynamic calls 2 2
DB2 Certification Guidelines 2 2
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Hexadecimal to decimal conversion - SORT JCL INREC OUTREC 2 2
JCL Errors 2 2
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REXX Tools 1 1
JCL interview question answer Ebook 1 1
Infosys Training Program for freshers 1 1
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JCL to run the DB2 Query - IKJEFT01 1 1
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ICETOOL & DFSORT 1 1
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JCL to interact with Oracle DB 1 1
How to resolve soc7? 22
JOIN UNPAIRED,F1,F2,ONLY 22
what is index or subscript in cobol. please give me brief ex 21
Hexadecimal to decimal conversion - SORT JCL INREC OUTREC 19
Frequently used commands in FileAid. 18
what is static or dynamic call in cobol 14
jcl sort to add leading zeroes 13
Cobol Multiple Choice Questions By Shravan Wipro 12
RESTART - Executing 2 and 3 rd step in 5 step jcl 12
SORT JCL - SORTING A VB FILE - INREC OUTREC PARSE BUILD 11
JCL SORT - Count number of records in a file 11
Joinkeys using ICETOOL 10
Interview questions - 3 years Exp - BOA, HCL and CTS 8
what is sync point in cics 8
Display WITH NO ADVANCING 8
How to concatenate records from two ps into one ps? 8
How do you make your BMS maps case sensitive? 7
Sending an Email from JCL with attachment 7
EJECT Verb in COBOL 7
SOC 7 abend - interview question 7
Various Locking mechanism for cursors and other SQL? 7
Difference Between XCTL and LINK 6
How to retrieve deleted dataset / pds in mainframe 6
What is the difference between Comp-5 and Comp in Cobol ?? 6
Control flow from one STEP to another 6
what is the step debug the online program to use xpediter 6
Recently faced mainframe cobol Interview Questions. 5
Replacing a larger string with smaller string 5
VSAM File status 23 ,but records are present in the file 5
GDG interview question 5
How to run only 2 steps out of 100 steps??? 5
what is the Length of DSN=.... 5
How to assign System Date/Time to a parameter in a JCL pgm? 5
Submit a JCL thru Cobol - sysout=(INTRDR,*) 5
How to compare two ps files having millions of records ? 5
abend code S000 U4038 5
Comparing 2 files based on Acct number without using tables 4
FILE-AID vs InSync 4
How to compile list a coolgen batch code using endeavor 4
In cics what is new copy.please give me a example. 4
Difference between an Object Module and Load Module 4
How we can access PDS and its Members thru COBOL ? 4
SORT INREC OUTREC OVERLAY - Adding sequential numbers 4
Mainframe Developer - Cognizant - Chennai 4
Sort fields difference 4
how to concatenate the datasets 4
static and dynamic calls 4
How to fetch and compare the system date in JCL 4
What is the function of //JCLLIB statement? 4
JCL to copy from DASD to TAPE 3
JCL-I need to FTP from MF to Local computer 3
difference between Omegamon and Mainview 3
What is MQ SERIES AND why it is used? 3
sort two files with same sort condition 3
PACKAGE VS PLAN ? 3
compile the cics,db2 or cobol program what next step- 3
What is the difference between Copy and Include? 3
Endevor 3
sign stored in Packed Decimal fields and Zoned Decimal field 3
Urgent Help needed !! 3
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How to write - 'Hello world' program through JCL 3
CA7 scheduling 3
DB2 query !! 3
Regarding TSQ 3
SQLCODE -811, why always 2nd row is fetched?? 3
Set Return Code using DFSORT 3
FOREIGN KEY 3
SYSTEM COMPLETION CODE=0C4 3
Problem with numeric field with sign in last digit 3
How to find record count of a mainframe dataset? 3
Reg DFSORT utility. 3
INFO about REGION parm 3
In SMS datasets, what is the function of the DD MGMTCLAS 3
To connect EBCDIC records to ASCII during write process 3
compare two files using SORT 3
How to read HEX file and convert it into decimal in REXX. 3
alphanumeric to numeric value padding with ZEROS in COBOL 3
How do you restart a proc from a particular step in jcl? 3
COMP-3 TO ALPHANUMERIC MOVE 3
Cobol question 3
How can a JES3 operator command be entered through the job 3
Merging Datasets with removing duplicates 3
NUMERIC to COMP-3 move 3
stored procedure in cobol 2
REXX Tools 2
DB2 PERFORMANCE TUNING TIPS 2
Converting file of RECFM=U to RECFM=FB 2
What is SSRANGE, NOSSRANGE ? 2
Replacing characters Using JCL 2
Eliminate duplicate records in file 2
DBXX NOT OPERATIONAL, RETRY COUNT IS ZERO 2
Comparing two files 2
How to Display COMP-3 value in report 2
COBOL TEST-3 WITH ANSWERS 2
What is a DBRM, PLAN ? 2
VERTICAL ARRAY IN CICS 2
CICS ABEND CODES 2
SOC1 abend 2
generating sequence number starting from 0100000000000000 2
Production Support 2
What is Static,Dynamic linking ? 2
How to send mail having some content of the file via jcl 2
how to calculate age 2
Replace special characters with spaces in a string 2
what s the difference between DB2 & ADB2? 2
IEBGENER - Emptying dataset. 2
Reformatting and calculating time and date values 2
Infosys Training Program for freshers 2
SQL Query using REXX 2
Mainframe jobs in Germany 2
Need to compare two files using sort in jcl 2
Sort and merge two files with a condition 2
What is auditing? 2
DB2 Certification Guidelines 2
Define/Create VSAM-E file 2
ICETOOL & DFSORT 2
Computer based tutorial on IMS DB/DC 2
help me in creating EXCEL document as OUTPUT FROM COBOL PROG 2
How to know the Primary and Foriegn keys? 2
to merge 2 records of the input file using SORT 2
How can i attach my sig? 2
What is the attribute byte? 2
Immediate Mainframe opening in CSC,Chennai 2
How to write a JCL using IEFBR14 2
A Really Nice One. Don't Miss the Moral. 2
To get the total record count of flat file..... 2
Redefine with occur clause 2
JCL - INCLUDE Condition - SORT INCLUDE COND 2
Executing n th step in a proc - JCL - IEBEDIT 2
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block size? 2
pls give me the answers for the following interview quesions 2
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To split matched and unmatched records into 2 files 2
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Create a loop in a JCL 2
PROCLIB 2
Mainframe PS to Excel and mail it. 2
Cobol Test 1 - Interview Questions 2
benefits with SYNC 2
DATACLAS 2
HOW TO CAPTURE JOBLOG THROUGH JCL 1
search the given PS file for a string 1
How do you code an instream data in a proc 1
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NUMERIC condition checking on Alphanumeric value with spaces 1
REXX tool needed to capture the JCL syntax errors 1
joins examples on multiple tables 1
Rexx/Clist to auto-build IEFBR14 for JCL 1
cics 1
"Merge" two files in a special way 1
file manager(unable to view/edit dataset) 1
SORT JCL to Split data using OUTFIL 1
Vaccination for Children 1
SE37 space abend 1
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Compare 2 files and write O/P accordingly 1
maxcc=1 1
equivalent file-manager command of file-aid command COPYBACK 1
Override 1
How to update records count in the header using JCL 1
difference between -805 and -818 sqlcode 1
Connect Direct to copy data from mainframe to desktop. 1
How to FTP a dataset from my mainframe to personal Folder 1
Pointers in Cobol 1
U4093 IMS Abend 1
writing 2 records for each qualifying input record. 1
Inserting NULL 1
COUNT of records based on distinct field value(ICETOOL/SORT) 1
PACKED DECIMAL TO NUMERIC USING EASYTRIEVE 1
Is it possible to get last modified date of PDS members... 1
Two files Matching Logic 1
Mainframe Jobs - Pune 1
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how to describe a table in spufi 1
Difference between Ps and ESDS 1
Use of CHNG and PURGE ? 1
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How to copy specific members via fileaid 1
SYNCSORT trick 1
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SORT - Ifthen, when group question 1
types of cursors? 1
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CICS Tutorial 1
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Corresponding statement 1
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CA-7 1
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JCL to run the DB2 Query - IKJEFT01 1
VSAM File status 34 1
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CODE THAT WAIT X MINUTES BEFORE EXECUTE A STEP 1
using Index other than subscript 1
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how to deal with the below scenario using iebgener 1
user abend in easytrieve 1
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too many tables join 1
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need to check a GDG generation is present in catalog or not 1
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SORT verb - help 1
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how to insert new column in already existing vsam file 1
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retrieving deleted GDG version 1
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Read from dataset into Variable

 
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strahd
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PostPosted: Wed Nov 23, 2011 2:01 pm    Post subject: Read from dataset into Variable Reply with quote

Hello to all,
I'm new of this forum and also I'm a beginner of jcl programming.

Just few words about me, I'm italian and previous I worked in windows and *nix platform. Smile

So maybe my question will be obvious but I never found the solution!

I need to evaluate a field of the first record stored in a dataset.

For examples:

Dataset : my.complex.dataset
field : 5,5,PK

if field > 100 then
execute step1
elseif field > 1000
execute step2
else
abend with cc 99
endif

Is possible to do that?

Thank you Smile
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PostPosted: Wed Nov 23, 2011 8:35 pm    Post subject: Re: Read from dataset into Variable Reply with quote

strahd wrote:
Is possible to do that?


No sir, it is not. Only a program can open, read, and evaluate the contents of a dataset, and take a logical branch based on the content.

This is what you should do:

In one job step, again, using a program, read the dataset and interpret the content. Set a Return-Code value to be based on what you want the job to do and what your site's standards dictate you should do. Usually, that would be RC=0 for the "normal" process, maybe RC=4 for the exception, and RC=8 or higher to signal a problem. You should never intentionally abend a job.

Then, your subsequent job steps can use the return-code values to determine the job flow process, either by use of COND= or IF/THEN/ELSE statements.


Last edited by MrSpock on Thu Nov 24, 2011 1:24 am; edited 1 time in total
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DikDude
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PostPosted: Thu Nov 24, 2011 12:32 am    Post subject: Reply with quote

JCL is not so much like *nix scripting. Scripting has considerable programming power.

On the mainframe you use JCL to invoke the programmed code and control movement thru the process (which to execute, which to bypass).
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PostPosted: Thu Nov 24, 2011 12:03 pm    Post subject: Reply with quote

Your post is in JCL part of the Forum - so it looks like you are looking for "JCL solution" - which is usually used in a very different sense on these Foras.

As has been indicated, on Mainframes, one write a JCL to execute the program. A program which you write in some programing language of your choice and which is supported by zOS. I'm a COBOL Programmer - so I'd suggest if you need to do it on zOS and want to make use of "JCL" - write a Program in COBOL,(pseudo code will be same in all the languages) if you got stuck in some error during the process - post us back and we might be of some help.
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PostPosted: Thu Nov 24, 2011 12:48 pm    Post subject: Reply with quote

Hello,
thank's for replay.

Well, ok I understand the purpose of jcl.

But looking for this (and others) problem(s) I find some solution that achives the goal using builtin program. For examples:

Code:

//* filtering on specifi value
//*
//HASERR1  EXEC  PGM=SORT
//SORTIN   DD DSN=&&MyDataset,DISP=SHR
//SHOWERR  DD DSN=&&TEMP,DISP=(,PASS),
//            SPACE=(CYL,(1,1))
//SYSOUT   DD SYSOUT=*
//SYSIN    DD *
   SORT  FIELDS=COPY
   INCLUDE COND=(18,5,ZD,GT,0)
   OUTFIL FNAMES=SHOWERR
/*
//* raise an error if showerr is full
//*
//HASERR2  EXEC  PGM=IDCAMS
//IN1      DD DSN=*.HASERR1.SHOWERR,DISP=(OLD,DELETE)
//SYSOUT   DD SYSOUT=*
//SYSPRINT DD SYSOUT=*
//SYSIN    DD *
  PRINT INFILE(IN1) COUNT(1)
/*
//*  RC:   0 full
//*  RC:   4 empty
//*
//   IF (HASERR2.RC = 0) THEN
//ABEND    EXEC PGM=IEFBR15
//   ENDIF
//*------------------------------------------


So I supposed there was a program able to print a dataset into a variable... Or something like that..

But ok, if that not exists .... I've to write it!

Thank's!
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Anuj Dhawan
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PostPosted: Thu Nov 24, 2011 2:24 pm    Post subject: Reply with quote

You've executed SORT and IDCAMS which are programs as you said. IDCAMS, Integrated Catalog Access Method Services, is an IBM program used to process access method services. SORT is another program. I, for one, wont' call them as "built-in", they are stand-alone software-packages. It's not the fashion on IBM zOS to call the similars as "built-in functions", as you'll call them in C, C++ or Java.

On the other hand, I believe, what you show will do what are you looking for after appropriate changes.
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PostPosted: Thu Nov 24, 2011 7:44 pm    Post subject: Reply with quote

You could save a step:

Code:

//HASERR1  EXEC  PGM=SORT,PARM='NULLOUT=RC4'
//SORTIN   DD DSN=&&MyDataset,DISP=SHR
//SORTOUT  DD DUMMY,DCB=BUFNO=1
//SYSOUT   DD SYSOUT=*
//SYSIN    DD *
   OPTION COPY
   INCLUDE COND=(18,5,ZD,GT,0)
/*
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PostPosted: Mon Nov 28, 2011 4:18 pm    Post subject: Reply with quote

Thank you MrSpock!

I tried to use your example and it work, but how I can convert the RC in a user defined?

for examples 98

I'm trying with something like that
Code:

//HASERR1  EXEC  PGM=SORT,PARM='NULLOUT=RC4'
//SORTIN   DD DSN=&&MyDataset,DISP=SHR
//SORTOUT  DD DUMMY,DCB=BUFNO=1
//SYSOUT   DD SYSOUT=*
//SYSIN    DD *
   OPTION COPY
   INCLUDE COND=(18,5,ZD,GT,0)
/*
//*
//   IF RC > 0 THEN
//      SET MAXRC=98
//   ENDIF         


But the xcc is always 4

Thanks
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Anuj Dhawan
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PostPosted: Tue Nov 29, 2011 12:39 pm    Post subject: Reply with quote

First, you've used this
Quote:
PGM=SORT,PARM='NULLOUT=RC4'
- which makes SORT to produce RC=4 -- so the sort-job did precisely what you said it to do.

Second, you can't change the RC of any step in any other step - so if you want to use only SORT, setting up RC=98 is a distant dream.

Third, where did you get thie syntax from:
Quote:
// IF RC > 0 THEN
// SET MAXRC=98
// ENDIF


If MAXCC=98 is what you want, possibly you can use IDCAMS. Or write a small COBOL prgram which will move '98' to special register RETURN CODE and execute it as one of the steps of your job.
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