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writing max salary records

 
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sant532

New User


Joined: 02 Jun 2008
Posts: 48
Location: India

PostPosted: Thu Jan 08, 2009 7:51 pm    Post subject: writing max salary records
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I have a flat file with below records...
record format is :

id number: 7 chars (eg: ABC0001)
technology:2 chars (eg: MF)
salary:5 chars (eg: 15000)

ABC0001MF15000
ABC0001HR25000
ABD0002DN15000
ABE0003MF20000
ABE0003HR12000

Now I want to write the record which has the maximum salary for particular id number. The output file should contain unique id numbers with maximum salary and corresponding technology.

The output file should have records like below:

ABC0001HR25000
ABD0002DN15000
ABE0003MF20000

Can you please suggest the way to do it?
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Frank Yaeger

DFSORT Moderator


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

PostPosted: Thu Jan 08, 2009 9:55 pm    Post subject:
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Here's a DFSORT/ICETOOL job that will do what you asked for:

Code:

//S1   EXEC  PGM=ICETOOL
//TOOLMSG   DD  SYSOUT=*
//DFSMSG    DD  SYSOUT=*
//IN DD DSN=...  input file (FB/14)
//OUT DD DSN=...  output file (FB/14)
//TOOLIN DD *
SELECT FROM(IN) TO(OUT) ON(1,7,CH) FIRST USING(CTL1)
/*
//CTL1CNTL DD *
  SORT FIELDS=(1,7,CH,A,10,5,ZD,D)
/*
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