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JCL Utility to Compare Two Files
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ramp_senti

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PostPosted: Mon Jul 24, 2006 12:21 pm    Post subject: JCL Utility to Compare Two Files
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Hai..,
I need to know is there any utility in jcl which can compare a column of one file with the column of another file and writes the record in a third file if the values of the columns are same.
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shreevamsi

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Location: Hyderabad,India

PostPosted: Mon Jul 24, 2006 1:40 pm    Post subject: Re: Sort
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Hi,

Use
PGM=ISRSUPC,
PARM=(DELTAL,LINECMP,
'',
'',
'')

Pass the Coloum thru SYSIN as follows

//SYSIN DD *
COMPARE TYPORG=PS
CMPCOLM 7:72 >>Specify the coloums to be checked for
/*


Please seacrh the form for ISRSUPC
~Vamsi
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prasadvrk

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PostPosted: Mon Jul 24, 2006 3:44 pm    Post subject:
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//SORTTOOL EXEC PGM=SORT
//TOOLMSG DD SYSOUT=*
//DFSMSG DD SYSOUT=*
//SYSOUT DD SYSOUT=*
//SORTJNF1 DD DSN=FIRST.FILE,DISP=SHR
//SORTJNF2 DD DSN=SECOND.FILE,DISP=SHR
//SORTOUT DD DSN=THIRD.FILE,DISP=SHR
//SYSIN DD *
SORT FIELDS=COPY
JOINKEYS FILES=F1,FIELDS=(1,10,A)
JOINKEYS FILES=F2,FIELDS=(1,10,A)
REFORMAT FIELDS=(F1:1,80)
/*

The key I compared starts at 1 and has length of 10 bytes, change this job to suit your requirement.

Please let me know if this worked for you.
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harish_mf

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PostPosted: Mon Jul 24, 2006 4:48 pm    Post subject:
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Hi,

what does it mean,



REFORMAT FIELDS=(F1:1,80)

Please give mean the solution for this ,

thanks in advance.
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prasadvrk

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PostPosted: Mon Jul 24, 2006 4:54 pm    Post subject:
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If the key matches it will write the record from first file to the third file. What is your requirement?
Is it to copy the first file's record to third or second file's record to the third on finding the match.
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prasadvrk

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PostPosted: Mon Jul 24, 2006 6:20 pm    Post subject:
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If you want only the matching part , you may code REFORMAT FIELDS=(F1:1,10) instead
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Frank Yaeger

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Location: San Jose, CA

PostPosted: Mon Jul 24, 2006 9:26 pm    Post subject:
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You can do this with the SPLICE operator of DFSORT's ICETOOL. For an example, see the "Create files with matching and non-matching records (without and with duplicates)" Smart DFSORT Trick at:

http://www.ibm.com/servers/storage/support/software/sort/mvs/tricks/index.html

If you need more specific help, give more details of what you want to do exactly. Show an example of the records in each input file and what you want for output. If their are duplicates within input file1, show that in the example. If there are duplicates within input file2, show that in the example. Give the starting position, length and format of the relevant fields. Give the RECFM and LRECL of the input files.
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prasadvrk

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PostPosted: Tue Jul 25, 2006 12:00 am    Post subject:
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Thanks Frank , I was about to suggest the same.
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ramp_senti

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PostPosted: Wed Jul 26, 2006 9:07 pm    Post subject: Re: JCL Utility to Compare Two Files
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Thanks Frank!

I tried the icetool jcl which was available in the link .I t worked well.
Can you please clarify a few things

* Can you please explain the splice step( particularly the keyword 'with')
* In case the starting postion of the value which is compared varies in both files
eg:
Vicky in first file starts at 1st position of the record
and Vicky in second file starts at no 5 position
what needs to be done
* The Outrec field in the outfil statement allows us to write only one field..can we have more than one field .
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Frank Yaeger

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Location: San Jose, CA

PostPosted: Wed Jul 26, 2006 9:45 pm    Post subject: Re: JCL Utility to Compare Two Files
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ramp_senti wrote:
Thanks Frank!

I tried the icetool jcl which was available in the link .I t worked well.
Can you please clarify a few things

* Can you please explain the splice step( particularly the keyword 'with')


For a complete explanation of DFSORT's SPLICE operator, see Chapter 6 of "z/OS DFSORT Application Programming Guide". Here's a link to that section:

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/ICE1CA10/6.13?DT=20050222160456

Quote:

* In case the starting postion of the value which is compared varies in both files
eg:
Vicky in first file starts at 1st position of the record
and Vicky in second file starts at no 5 position
what needs to be done


This is just an example. You can extend it in many ways. If the field to be compared is not in the same place in both files, you would reformat the records of one file to have the field in the same place as in the other file. In your example, you could reformat the first file field to position 5, or the second file field to position 1.

Quote:

* The Outrec field in the outfil statement allows us to write only one field..can we have more than one field .


OUTFIL can be used to write as many fields as you like.

Again, if you need more specific help, give more details of what you want to do exactly. Show an example of the records in each input file and what you want for output. If their are duplicates within input file1, show that in the example. If there are duplicates within input file2, show that in the example. Give the starting position, length and format of the relevant fields. Give the RECFM and LRECL of the input files.

If you're not familiar with DFSORT and DFSORT's ICETOOL, I'd suggest reading through "z/OS DFSORT: Getting Started". It's an excellent tutorial, with lots of examples, that will show you how to use DFSORT, DFSORT's ICETOOL and DFSORT Symbols. You can access it online, along with all of the other DFSORT books, from:

www.ibm.com/servers/storage/support/software/sort/mvs/srtmpub.html
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raak

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PostPosted: Fri Jul 28, 2006 3:35 pm    Post subject: Re: JCL Utility to Compare Two Files
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hi,
just check out this one....

//*
//COMPARE EXEC PGM=COMPAREX
//SYSPRINT DD SYSOUT=Q
//OUTPUTDD OUTPUT PRMODE=PAGE,PAGEDEF=ONEUPO,FORMDEF=ONEUPO
//*YSPRINT DD SYSOUT=(Q,,STDO),OUTPUT=*.OUTPUTDD
//SYSUT1 DD DSN=BKTEST.W.CTS.PDR908.UT.UNLOADU.PMTTRAN.TEST,
// DISP=SHR
//SYSUT2 DD DSN=BKTEST.W.CTS.PDR908.UT.LOAD.OUTPUT,
// DISP=SHR
//SYSIN DD *
CONTINUE
FORMAT=16
DASH=C'-'
CASE=MIXED
/*
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ramp_senti

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Joined: 17 Mar 2006
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PostPosted: Sat Aug 05, 2006 1:26 am    Post subject: Re: JCL Utility to Compare Two Files
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Thanks Frank!

I went through the link you mentioned.Now my requirement is to compare a column value of one variable length file with the column of a second file which is of fixed length.
The output file must have a particular column of the first file for those records whose column value matches with that of the column of the second file.

eg..,
Highligted fileds in the files are to be compared , and the output should have the vlaues from file 1 for the matching records.

Record length of file1 ( VB) is 1024
record length of file2 (FB) is 100
Thanks in Advance!
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Frank Yaeger

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Posts: 7130
Location: San Jose, CA

PostPosted: Sat Aug 05, 2006 11:18 pm    Post subject:
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You'll need to convert the FB file to a VB file with the column to be matched in the same place as for the VB input file. You can use OUTFIL FTOV to do that. It will add a 4 byte RDW to each FB input record to create a VB record.

In your example, I can't really tell which file is which or what you want for output. If you need more help, show a better example (without the screen shots) of the records in each input file and the expected output, and indicate the starting position, length and format of each relevant field in the input files.
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ramp_senti

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PostPosted: Mon Aug 07, 2006 1:29 pm    Post subject:
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Input file 1: Record length -- 1024
Input file 2 :
Record length --- 100
Output file : Record length --1024 ( same as first input file)

(Matching record starting position -- 53
length -12)
i.e., record starting from position 53 and length 12 of the input file1 has to be matched with the record starting from postion 53 and length 12 of the input file 2.


Output file when the record matches should contain records from input file 1 strating from position 10 to 20 ,30 to 35, and 53 to 65.

Example
Input file 1:

MDA70NM249008504R70568031000S57980174S98508118080 999775
MDB21G2539009751R21140471000S57980174S97060114040 999775
MDA408041900932CB40005560000S57980174SCBBK1114040 999775

Input file 2 :

XXXXXX YYYYYYYYYYY ZZZZZZZZZZZZZZ UUUUUUU0114040 999775

Column to be matched is in bold and starting at position 53 ,length12 in both input file1 and input file2

Output file :

9008504R705 579801 999775

Output file when the record matches should contain records from input file 1 strating from position 10 to 20 ,30 to 35, and 53 to 65.

Thanks in advance!
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Frank Yaeger

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PostPosted: Mon Aug 07, 2006 9:47 pm    Post subject:
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I don't understand. You show three records with 999775 in file1 and one record with 999775 in file2, but for output you only show the first record from file1 with 999775? Do you only want the first record from file1 for each match, or do you want all of the records from file1 with each match?

Also, you say the matching field is 12 bytes long, but in your example you show 999775 which is only 6 bytes long.

It would help if you showed a more complete example including records in file1 with and without a match in file2, and the complete expected output, and explained the "rules" you want to use to get from input to output.
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ramp_senti

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PostPosted: Mon Aug 07, 2006 10:11 pm    Post subject: Re: JCL Utility to Compare Two Files
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Hai Frank!
Very sorry for the confusions!

We want all the three records ,but we just showed a single record .
Actually the output will be exactly like the given below.

And the length of the matching field is 12 ,with 6 spaces.

Example
Input file 1:

MDA70NM249008504R70568031000S57980174S98508118080 999775
MDB21G2539009751R21140471000S57980174S97060114040 999775
MDA408041900932CB40005560000S57980174SCBBK1114040 999765
MDB21G2539009751R21140471000S57980174S97060114040 999745

Input file 2 :

XXXXXX YYYYYYYYYYY ZZZZZZZZZZZZZZ UUUUUUU0114040 999775
XXXXXX YYYYYYYYYYY ZZZZZZZZZZZZZZ UUUUUUU0114040 999745

Output file :

9008504R705 579801 999775
9009751R211 579801 999775
9009751R211 579801 999745

Hope this one is clear
Thank You
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Frank Yaeger

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Joined: 15 Feb 2005
Posts: 7130
Location: San Jose, CA

PostPosted: Tue Aug 08, 2006 1:14 am    Post subject:
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ramp_senti,

Here's a DFSORT/ICETOOL job that will do what I think you're asking for. Note that the output records will be sorted by the key (e.g. 999745 record before 999775 records). If you want the output records in their original order, we'll need to add a sequence number and do another sort on it. But try this version first to see whether or not it gives you the output records you want without worrying about their sequence yet.

Code:

//S1 EXEC PGM=ICETOOL
//TOOLMSG DD SYSOUT=*
//DFSMSG DD SYSOUT=*
//IN1 DD DSN=...  input file1 (VB/1024)
//IN2 DD DSN=...  input file2 (FB/100)
//T1 DD DSN=&&T1,UNIT=SYSDA,SPACE=(CYL,(5,5)),DISP=(MOD,PASS),
// LRECL=1026
//OUT DD DSN=...  output file (VB/1024)
//TOOLIN DD *
COPY FROM(IN2) TO(T1) USING(CTL1)
COPY FROM(IN1) TO(T1) USING(CTL2)
SPLICE FROM(T1) TO(OUT) ON(26,12,CH) -
  WITHALL WITH(5,1) WITH(7,31) USING(CTL3)
/*
//CTL1CNTL DD *
  OUTFIL FNAMES=T1,FTOV,OUTREC=(C'BB',22:53,12)
/*
//CTL2CNTL DD *
  OUTREC FIELDS=(1,4,C'VV',7:14,11,19:34,6,26:57,12)
/*
//CTL3CNTL DD *
  OUTFIL FNAMES=OUT,
    INCLUDE=(5,2,CH,EQ,C'VB'),
    OUTREC=(1,4,5:7)
/*
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ramp_senti

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PostPosted: Thu Aug 10, 2006 8:16 pm    Post subject: Re: JCL Utility to Compare Two Files
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Thanks a lot ! Frank

Its working . In case of doubt we will get back .
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ramp_senti

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PostPosted: Fri Aug 11, 2006 3:12 pm    Post subject:
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Sorry for disturbing you again Frank!

Our requirements has changed a bit.In the output we need unmatched records available in file1 also in addition to the matched records.

for eg;
Input file 1:
MDA70NM249008504R70568031000S57980174S98508118080 999775
MDB21G2539009751R21140471000S57980174S97060114040 999775
MDA408041900932CB40005560000S57980274SCBBK1114040 999765
MDA408041900932CB40005560000S57980374SCBBK1114040 999765
MDB21G2539009751R21140471000S57980174S97060114040 999745

Input file 2 :

XXXXXX YYYYYYYYYYY ZZZZZZZZZZZZZZ UUUUUUU0114040 999775
XXXXXX YYYYYYYYYYY ZZZZZZZZZZZZZZ UUUUUUU0114040 999745

Output file 1: ( matching records)

9008504R705 579801 999775
9009751R211 579801 999775
9009751R211 579801 999745

Output file 2: (unmatching records from file 1)
900932CB400 579802 999765
900932CB400 579803 999765

We tried using the following cntlcard3

CTL3CNTL DD *
OUTFIL FNAMES=OUT1,
INCLUDE=(5,2,CH,EQ,C'VB'),
OUTREC=(1,4,5:7)
OUTFIL FNAMES=OUT2,
INCLUDE=(5,2,CH,EQ,C'VV'),
OUTREC=(1,4,5:7)

We have no problems in the matched records output(out1).
but in the output of unmatching records (out2) the first record is missing, and only the second record gets displayed

our output looks like the one below

Output file 2:

900932CB400 579803 999765


Kindly help us in the case

thanks!
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Frank Yaeger

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Posts: 7130
Location: San Jose, CA

PostPosted: Fri Aug 11, 2006 8:58 pm    Post subject:
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You're on the right track. You just need to add KEEPBASE and KEEPNODUPS to the SPLICE operator, and use the CTL3CNTL statements you show:

Code:

SPLICE FROM(T1) TO(OUT) ON(26,12,CH) -
  WITHALL WITH(5,1) WITH(7,31) USING(CTL3) -
  KEEPBASE KEEPNODUPS
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