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How to Sort Variable Block to Fixed Block file

 
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Rchilla
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Joined: 23 Dec 2002
Posts: 4
Topics: 2

PostPosted: Fri Feb 07, 2003 7:44 am    Post subject: How to Sort Variable Block to Fixed Block file Reply with quote

Here is my problem...

MY INPUT FILE IS OF VARIABLE RECORD LENGTH. I WANT TO CREATE A FILE BASED ON THE FOLLOWING CONDITIONS:
1.IT SHOULD BE A FIXED RECORD LENGTH FILE.
2.IT SHOULD CONTAIN ONLY 2 FILEDS FROM THE INPUT FILE,
1ST FIELD FROM POSITION 5 TO 7,
2ND FIELD FROM POSITION 61 TO 63.
3.IT SHOULD BE SORTED IN ASCENDING ORDER BASED ON THE 5TH TO 7TH POSITION OF THE INPUT FILE.
3.IT SHOULD OMIT A RECORD IF THE 5TH TO 7TH POSITION OF THE INPUT RECORD IS EQUAL TO '3DT'.


WE TRIED WITH THE FOLLOWING CONTROL CARD,

Code:

 INREC FIELDS=(1,4,5,3,61,3)    
 SORT FILEDS=(5,3,CH,A)
 OMIT COND=(5,3,CH,EQ,C'3DT')
 OUTREC FIELDS=(5,6,74X),CONVERT.


But we are getting abend. Please could help me resoving this...

Thanks,
Rchilla
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kolusu
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Joined: 26 Nov 2002
Posts: 12372
Topics: 75
Location: San Jose

PostPosted: Fri Feb 07, 2003 8:13 am    Post subject: Reply with quote

Rchilla,

Since the input file is a variable file the actual data starts in position 5 ( the first 4 bytes is RDW).so accordingly your sort fields will now change.So your fields in question actually start at 9 and 65 bytes respectively

Code:

//STEP0100 EXEC PGM=SORT
//*               
//SYSOUT   DD  SYSOUT=*               
//SORTIN   DD  DSN=YOUR INPUT VBFILE,
//             DISP=SHR             
//SORTOUT  DD  DSN=YOUR OUTPUT FBFILE,     
//             DISP=(NEW,CATLG,DELETE),               
//             UNIT=SYSDA,               
//             SPACE=(CYL,(X,Y),RLSE)             
//SYSIN    DD  * 
  SORT FIELDS=(9,3,CH,A)               
  OUTFIL CONVERT,OMIT=(9,3,CH,EQ,C'3DT'),
  OUTREC=(9,3,                             $ FLD1 STARTS AT 9 & LENGTH OF 3
          65,3,                            $ FLD2 STARTS AT 65 & LENGTH OF 3
          80:x)                            $ Pad with spaces for the rest of 74 bytes
/*


Hope this helps...

cheers

kolusu
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Rchilla
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Joined: 23 Dec 2002
Posts: 4
Topics: 2

PostPosted: Fri Feb 07, 2003 9:01 am    Post subject: Reply with quote

Kolusu,

It's working fine...

Thank you

Rchilla.
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Premkumar
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Joined: 28 Nov 2002
Posts: 77
Topics: 7
Location: Chennai, India

PostPosted: Mon Feb 10, 2003 3:18 am    Post subject: Reply with quote

I would suggest to use the original sort cards with corrected field offsets.
Advantages are,

  1. it omits the '3DT' records before sorting. Less records to sort.
  2. it trims the records at INREC and expands the records at OUTREC. Less data for sort to handle, while sorting.
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