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Deleting Unique records from a sequential File.

 
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hernikiten

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Joined: 08 Apr 2005
Posts: 23
Location: india

PostPosted: Wed Feb 21, 2007 8:25 pm    Post subject: Deleting Unique records from a sequential File.
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I have a situation where in I ought to delete unique records from a sorted file.
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prav_06
Warnings : 1

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Joined: 13 Dec 2005
Posts: 154
Location: The Netherlands

PostPosted: Wed Feb 21, 2007 8:52 pm    Post subject:
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hernikiten,

Quote:
delete unique records from a sorted file.


Can u please be more clear, If u had provided SUM Fields=none for the sorted file each record would be unique. or u r tryin to say that u have to copy all unique recods from a input file to output file.?


Thamilzan.
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hernikiten

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Joined: 08 Apr 2005
Posts: 23
Location: india

PostPosted: Wed Feb 21, 2007 9:20 pm    Post subject: Re: Deleting Unique records from a sequential File.
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I want to remove records which are not duplicate.
I know the sum fields = none usage, but its different case here.
please advice.
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Frank Yaeger

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

PostPosted: Wed Feb 21, 2007 10:42 pm    Post subject:
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hernikiten,

If you want to keep just the duplicate records, you can use a DFSORT/ICETOOL job like this. I assumed your "key" is in positions 11-15, but you can change the job as needed.

Code:

//S1    EXEC  PGM=ICETOOL                             
//TOOLMSG DD SYSOUT=*                                 
//DFSMSG  DD SYSOUT=*                                 
//IN DD DSN=...  input file                     
//OUT DD DSN=...  output file                             
//TOOLIN   DD    *                                   
SELECT FROM(IN) TO(OUT) ON(11,5,CH) ALLDUPS           
/*                                                   


For complete information on all of the ways you can handle duplicate and non-duplicate records with the SELECT operator of DFSORT's ICETOOL,
see:

http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/ICE1CA20/6.11?DT=20060615185603
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hernikiten

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Joined: 08 Apr 2005
Posts: 23
Location: india

PostPosted: Thu Feb 22, 2007 5:42 pm    Post subject: Re: Deleting Unique records from a sequential File.
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Many Thanks Frank,

I tested it and its working fine.
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