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Retain previous record values into subsequent record

 
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nbdtrjk1
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Joined: 12 Apr 2007
Posts: 76
Topics: 41
PostPosted: Wed Dec 14, 2011 2:51 am    Post subject: Retain previous record values into subsequent record Reply with quote
Hi all,

I have a requirement to copy particular values from previous record into subsequent records. File format is VB & 600 Recl.

Input(3,3 is Key value(100 & 200) and 6,2 is state values(13 & 58 ) copy into subsequent records).
Code:
A110013X1
B1100X2
C1100X3
A120058AAAAAAA
B1200A2
B2200A2
C1200B3

Output
Code:
A110013X1
B110013X2
C110013X3
A120058AAAAAAA
B120058A2
B220058A2
C120058B3


I want to do it using sort/ICETOOL. Please provide your assistence
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kolusu
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Joined: 26 Nov 2002
Posts: 12376
Topics: 75
Location: San Jose
PostPosted: Wed Dec 14, 2011 11:41 am    Post subject: Reply with quote
nbdtrjk1,

You do realize that your output length will be increased by 2 bytes? Use the following DFSORT JCL which will give you the desired results
Code:

//STEP0100 EXEC PGM=SORT                                       
//SYSOUT   DD SYSOUT=*                                         
//SORTIN   DD DSN=&&VB,DISP=SHR                               
//SORTOUT  DD SYSOUT=*                                         
//SYSIN    DD *                                               
  SORT FIELDS=COPY                                             
  INREC IFTHEN=(WHEN=INIT,BUILD=(1,4,5X,5)),                   
  IFTHEN=(WHEN=GROUP,PUSH=(5:12,5),                           
  BEGIN=(12,3,SS,EQ,C'100,200',AND,15,2,SS,EQ,C'13,58')),     
  IFTHEN=(WHEN=(5,5,CH,EQ,12,5,CH),BUILD=(1,4,10)),           
  IFTHEN=(WHEN=((5,3,CH,EQ,12,3,CH),AND,15,2,CH,NE,8,2,CH),   
  BUILD=(1,4,10,5,8,2,15)),                                   
  IFTHEN=(WHEN=NONE,BUILD=(1,4,10))                           
//*

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nbdtrjk1
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Joined: 12 Apr 2007
Posts: 76
Topics: 41
PostPosted: Thu Dec 15, 2011 12:20 am    Post subject: Reply with quote
Kolusu,

The values what ever I said Like 13,58,100 and 200. I have millions of values like this. Kind of Situation how to handle?.

Your code looks hard coded values rather than dynamiclly checking previous row values.


Thanks
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kolusu
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PostPosted: Thu Dec 15, 2011 11:31 am    Post subject: Reply with quote
nbdtrjk1,

How do you recognize the start of the key? is it the first record of the Key(3,3) ??
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nbdtrjk1
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PostPosted: Mon Dec 19, 2011 11:54 pm    Post subject: Reply with quote
You are right. Always my keys present in 3,3
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kolusu
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PostPosted: Tue Dec 20, 2011 1:10 pm    Post subject: Reply with quote
nbdtrjk1,


Use the following DFSORT control cards which will give you the desired results
Code:

//SYSIN    DD *                                           
  SORT FIELDS=COPY                                         
  INREC IFTHEN=(WHEN=INIT,BUILD=(1,4,10X,5)),             
  IFTHEN=(WHEN=GROUP,KEYBEGIN=(17,3),PUSH=(5:SEQ=8,20,2)),
  IFTHEN=(WHEN=(5,8,ZD,EQ,1),BUILD=(1,4,15)),             
  IFTHEN=(WHEN=NONE,BUILD=(1,4,15,5,13,2,20))             
//*

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nbdtrjk1
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Topics: 41
PostPosted: Thu Dec 22, 2011 12:38 am    Post subject: Reply with quote
Thanks kolusu..Working fine
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tcurrier
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Joined: 10 Feb 2006
Posts: 188
Topics: 68
PostPosted: Thu Jan 26, 2012 7:29 am    Post subject: retaining previous values when putting out new detail line Reply with quote
Along the lines of retaining previous values, would it be possible to reformat a report into detail lines that contain a date value appended to the front of the detail line? Here is my example:

Code:
INPUT:                                   
                                         
FRUIT INVENTORY PRODUCED ON: 01-25-12   
                                         
APPLES    20                             
PEARS     15                             
ORANGES   35                             
                                         
FRUIT INVENTORY PRODUCED ON: 01-17-12   
                                         
APPLES    27                             
PEARS     34                             
ORANGES   42                 

OUTPUT:            (Date to be reformatted to YYMMDD for sorting purposes)
                   
120125 APPLES    20
120125 PEARS     15
120125 ORANGES   35
120117 APPLES    27
120117 PEARS     34
120117 ORANGES   42


Thanks.
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Frank Yaeger
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Joined: 02 Dec 2002
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PostPosted: Thu Jan 26, 2012 12:35 pm    Post subject: Reply with quote
You can use a DFSORT job like the following to do what you asked for:

Code:

//S1 EXEC PGM=SORT
//SYSOUT DD SYSOUT=*
//SORTIN DD *
FRUIT INVENTORY PRODUCED ON: 01-25-12

APPLES    20
PEARS     15
ORANGES   35

FRUIT INVENTORY PRODUCED ON: 01-17-12

APPLES    27
PEARS     34
ORANGES   42
//SORTOUT DD SYSOUT=*
//SYSIN DD *
  OPTION COPY
  OMIT COND=(1,8,CH,EQ,C' ')
  INREC IFTHEN=(WHEN=GROUP,BEGIN=(1,15,CH,EQ,C'FRUIT INVENTORY'),
    PUSH=(81:30,8))
  OUTFIL OMIT=(1,15,CH,EQ,C'FRUIT INVENTORY'),
    BUILD=(87,2,81,2,84,2,X,1,80)
/*

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Frank Yaeger - DFSORT Development Team (IBM)
Specialties: JOINKEYS, FINDREP, WHEN=GROUP, ICETOOL, Symbols, Migration
DFSORT is on the Web at:
www.ibm.com/storage/dfsort
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