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Replacing record Based on matching strings in two different


IBM Mainframe Forums -> DFSORT/ICETOOL
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mrdinesh

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Joined: 23 Sep 2006
Posts: 24
Location: India

PostPosted: Thu Sep 25, 2014 8:22 pm
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Hi,

I have a requirement where I have two files

File1
Code:

Header
Record1
Record2
Date 01/01/2013
Record3
Record4
Trailer


File2
Code:

Date 12/31/2014


My requirement is to replace the Date in the File1 with the Date in the File2.

I tried with Joinkeys to do the same as
Code:

SORT FIELDS=COPY                                                   
JOINKEYS FILE=SORTJNF1,FIELDS=(1,4,A)                             
JOINKEYS FILE=SORTJNF2,FIELDS=(1,4,A)                             
JOIN UNPAIRED                                                     
REFORMAT FIELDS=(F1:1,80,F2:1,80)                                 
INREC IFTHEN=(WHEN=(1,4,CH,EQ,C'DATE'),OVERLAY=(1:81,80,81:80X))
OUTREC FIELDS=(1:1,80)                           



But the output came in a sorted order, but I dont require the files to be sorted?

Is there any other way to do the same?


Thanks,
Dinesh
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 2673
Location: NYC,USA

PostPosted: Thu Sep 25, 2014 8:35 pm
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Dinesh, Have you looked this link?
pic.dhe.ibm.com/infocenter/zos/v1r13/index.jsp?topic=%2Fcom.ibm.zos.r13.iceg200%2Fjoinrec.htm

Or try
FIELDS=(1,4,A),SORTED

Or a forum discussion,
ibmmainframes.com/about59864.html
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mrdinesh

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Joined: 23 Sep 2006
Posts: 24
Location: India

PostPosted: Thu Sep 25, 2014 8:51 pm
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Thanks Rohit...I was able to solve the issue..
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Bill Woodger

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Joined: 09 Mar 2011
Posts: 7310
Location: Inside the Matrix

PostPosted: Thu Sep 25, 2014 8:56 pm
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No to JOINKEYS. It would be absurd to sort the data twice just to update one record.

Two-step process. First step takes the date-file and generates a symbol for a SYMNAMES dataset (ensure that records are 80 bytes).

Second step, which has DDnames for SYMNAMES using the file created and SYMNOUT going to SYSOUT, then a COPY operation with INREC IFTHEN=(WHEN=(logical expression) to identify the embedded date record and replace the value with the value from the symbol.

There are examples of the process if you search the forum for SYMNAMES, for instance.
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Bill Woodger

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Joined: 09 Mar 2011
Posts: 7310
Location: Inside the Matrix

PostPosted: Thu Sep 25, 2014 8:57 pm
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mrdinesh wrote:
Thanks Rohit...I was able to solve the issue..


Remember, somewhere there is a Client paying for those resources.
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 2673
Location: NYC,USA

PostPosted: Thu Sep 25, 2014 8:59 pm
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Bill, that helps. Thanks
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Pandora-Box

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Joined: 07 Sep 2006
Posts: 1590
Location: Andromeda Galaxy

PostPosted: Thu Sep 25, 2014 9:33 pm
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Bill,

Just checking,If file 2 is going to have last date of the year we could also use LASTDAYY correct?
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Bill Woodger

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Joined: 09 Mar 2011
Posts: 7310
Location: Inside the Matrix

PostPosted: Thu Sep 25, 2014 10:06 pm
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If the answer required is always 31 December of the source year, then LASTDAYY would do it.
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