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Sorting a file with a different value for a field
IBM Mainframe Forums -> DFSORT/ICETOOL
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bharath_gct2002

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Joined: 08 Oct 2007
Posts: 27
Location: Dallas, TX
PostPosted: Mon May 12, 2008 6:47 am
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Hi,

I have a requirement to sort a file with a different value for a field. I am not sure of how to do it. Please help me.

Input File:
------------
Code:
0413....GNL......1.
0413....DDA......2.
0774....DDA......1.
0885....DDA......1.
0885....DDA......2;
0365....DDA......1;

I want to sort ths i/p file with the bytes (2-4) but I need to interpret the values of those fields with someother values and sort it. For example, a values in bytes 2-4 should be interpreted to the following:

Code:
413 - 280
774 - 280
885 - 096



So my i/p is sorted with interpreted values in the above table, but in the o/p my orginal values should come.

Output file:
-------------
Code:
0885....DDA......1.
0885....DDA......2;
0413....GNL......1.
0413....DDA......2.
0774....DDA......1.
0365....DDA......1;


Please someone help me doing this.
Code:
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gcicchet

Senior Member


Joined: 28 Jul 2006
Posts: 1702
Location: Australia
PostPosted: Mon May 12, 2008 8:03 am
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Hi,
try this
Code:
//S1       EXEC  PGM=ICEMAN                                           
//SORTIN   DD *                                                       
0413....GNL......1.                                                   
0413....DDA......2.                                                   
0774....DDA......1.                                                   
0885....DDA......1.                                                   
0885....DDA......2;                                                   
0365....DDA......1;                                                   
/*                                                                     
//SORTOUT DD SYSOUT=*                                                 
//SYSOUT  DD SYSOUT=*                                                 
//SYSIN   DD *                                                         
      SORT FIELDS=(81,3,BI,A)                                         
  INREC  IFTHEN=(WHEN=(02,3,CH,EQ,C'413'),                             
      OVERLAY=(81:C'280')),                                           
         IFTHEN=(WHEN=(02,3,CH,EQ,C'774'),                             
      OVERLAY=(81:C'280')),                                           
         IFTHEN=(WHEN=(02,3,CH,EQ,C'885'),                             
      OVERLAY=(81:C'096')),                                           
         IFTHEN=(WHEN=(02,3,CH,EQ,C'365'),                             
      OVERLAY=(81:C'395'))                                             
      OUTREC BUILD=(1,80)                                             


Gerry
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Frank Yaeger

DFSORT Developer


Joined: 15 Feb 2005
Posts: 7129
Location: San Jose, CA
PostPosted: Mon May 12, 2008 8:57 pm
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bharath,

Gerry's "solution" works for the data given but will not work for other variations of the data because there's no IFTHEN NONE clause. For example, if the input included this record:

0285....NEW......1.

It would be sorted as the first record instead of after the "280" records.

Here's a DFSORT job that will work for all variations of the data:

Code:

//S1       EXEC  PGM=ICEMAN
//SYSOUT  DD SYSOUT=*
//SORTIN   DD *
0285....NEW......1.
0413....GNL......1.
0413....DDA......2.
0774....DDA......1.
0885....DDA......1.
0885....DDA......2;
0365....DDA......1;
/*
//SORTOUT DD SYSOUT=*
//SYSIN   DD *
  INREC IFTHEN=(WHEN=(2,3,SS,EQ,C'413,774'),
      OVERLAY=(81:C'280')),
    IFTHEN=(WHEN=(2,3,CH,EQ,C'885'),
      OVERLAY=(81:C'096')),
    IFTHEN=(WHEN=NONE,
      OVERLAY=(81:2,3))
    SORT FIELDS=(81,3,ZD,A)
    OPTION EQUALS
    OUTREC BUILD=(1,80)
/*
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pavans_here
Warnings : 1
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Joined: 12 Aug 2005
Posts: 3
Location: hyderabad
PostPosted: Thu May 15, 2008 5:04 pm
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Why did you choose 81 position to write to output file..
Is the requirement to write to 81 position.
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bharath_gct2002

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Joined: 08 Oct 2007
Posts: 27
Location: Dallas, TX
PostPosted: Thu May 15, 2008 5:57 pm
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Thanks Frank n Gerry. The solution worked just fine!!.

Pavan,

My requirement is to add it in the position 4001 of the file cos my input record length is 4000
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Frank Yaeger

DFSORT Developer


Joined: 15 Feb 2005
Posts: 7129
Location: San Jose, CA
PostPosted: Thu May 15, 2008 8:51 pm
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Quote:
Why did you choose 81 position to write to output file..


Since the OP didn't originally give the LRECL of the input file, I assumed for the example that it was LRECL=80. The job would need to be changed appropriately for a different LRECL.
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