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keep last record in sort sequence ?

 
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tcurrier
Intermediate


Joined: 10 Feb 2006
Posts: 188
Topics: 68
PostPosted: Wed Apr 15, 2009 10:12 am    Post subject: keep last record in sort sequence ? Reply with quote
Is there a way to sort a file and only keep the last record in the sort sequence ?

Here's an example :

I only want to keep the records indicated by the arrows

Code:
BOSTON     20080415
BOSTON     20080415
BOSTON     20080415  <---
BOSTON     20091020
BOSTON     20091020 
BOSTON     20091020  <---
WORCESTER  20080501 
WORCESTER  20080501
WORCESTER  20080501
WORCESTER  20080501  <---
WORCESTER  20090515
WORCESTER  20090515
WORCESTER  20090515  <---


Thanks for any help.
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Wed Apr 15, 2009 10:28 am    Post subject: Reply with quote
tcurrier,

You can use DFSORT/ICETOOL's SELECT with LAST parm. Check this
Code:

//STEP0100 EXEC PGM=ICETOOL                           
//TOOLMSG  DD SYSOUT=*                                 
//DFSMSG   DD SYSOUT=*                                 
//IN       DD *                                       
BOSTON     20080415                                   
BOSTON     20080415                                   
BOSTON     20080415  <---                             
BOSTON     20091020                                   
BOSTON     20091020                                   
BOSTON     20091020  <---                             
WORCESTER  20080501                                   
WORCESTER  20080501                                   
WORCESTER  20080501                                   
WORCESTER  20080501  <---                             
WORCESTER  20090515                                   
WORCESTER  20090515                                   
WORCESTER  20090515  <---                             
//OUT      DD SYSOUT=*                                 
//TOOLIN   DD *                                       
  SELECT FROM(IN) TO(OUT) ON(1,10,CH) ON(12,8,CH) LAST
/*

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