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Sorting FB GDG file into FB sequential file

 
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psmadhusudhan
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PostPosted: Tue Mar 11, 2008 1:56 am    Post subject: Sorting FB GDG file into FB sequential file Reply with quote
Hi,

I have FB GDG file of LREC 132. I want to sort it and copy it into FB sequential file using DFSORT. The GDG file contains Header for first 10 records and from 11th record data will be there. Sortin should be done as (10,5,CH,A). There is tailer of one record at end of the file. Header and tailer should not be disturbed. Output file is sequential FB file.

I need to do the same process on FBA GDG file of LREC 133. Please help me with both the cases.
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Nic Clouston
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PostPosted: Tue Mar 11, 2008 5:22 am    Post subject: Reply with quote
How do you determine header and trailer records - is it just by position or do they have special identifiers e.g. 0 and 9?
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CraigG
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PostPosted: Tue Mar 11, 2008 7:41 am    Post subject: Reply with quote
"Sorting FB GDG file into FB sequential file"

An FB GDG is an FB sequential file!
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psmadhusudhan
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PostPosted: Tue Mar 11, 2008 7:44 am    Post subject: Reply with quote
I had already mentioned that first 10 records are header records and last record is tailer.
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Frank Yaeger
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PostPosted: Tue Mar 11, 2008 3:01 pm    Post subject: Reply with quote
So there's nothing unique about the trailer record that can be used to identify it as the trailer record? The only way you know it's the trailer record is that it's the last record? (I ask because the job you need is much easier to set up if we can identify the trailer record in some way other than it just being the last record).
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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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psmadhusudhan
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PostPosted: Tue Mar 11, 2008 11:26 pm    Post subject: Reply with quote
Yes Frank you are right. The only way I know the trailer record is that it is the last record.
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kolusu
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PostPosted: Wed Mar 12, 2008 10:31 am    Post subject: Reply with quote
psmadhusudhan,

The following DFSORT JCL will give you the desired results.


Code:

//STEP0100 EXEC PGM=ICEMAN
//SYSOUT   DD SYSOUT=*     
//SORTIN   DD DSN=YOUR INPUT FILE,
//            DISP=SHR
//SORTOUT  DD DSN=&&T1,DISP=(,PASS),SPACE=(TRK,(1,1),RLSE),RECFM=FB 
//SYSIN    DD *                                             
  SORT FIELDS=COPY                                         
  OUTFIL BUILD=(80X),                                       
  REMOVECC,NODETAIL,                                       
  TRAILER1=(C'TRLR,',COUNT=(M11,LENGTH=10))                 
/*                                                         
//STEP0200 EXEC PGM=ICEMAN     
//SYSOUT   DD SYSOUT=*         
//SYMNAMES DD DSN=&&T1,DISP=SHR
//SORTIN   DD DSN=YOUR INPUT FILE,
//            DISP=SHR
//SORTOUT  DD DSN=your output file,
//            DISP=(NEW,CATLG,DELETE),
//            UNIT=SYSDA,
//            SPACE=(CYL,(X,Y),RLSE)
//SYSIN    DD *                                     
                                                     
  INREC IFTHEN=(WHEN=INIT,OVERLAY=(133:SEQNUM,8,PD)),
        IFTHEN=(WHEN=(133,8,PD,GT,10,AND,           
                      133,8,PD,LT,TRLR),             
       OVERLAY=(133:X'000000000000011C'))           
                                                     
  SORT FIELDS=(133,8,PD,A,                           
               010,5,CH,A)                           
                                                     
  OUTFIL BUILD=(01,132)                             
/*


Hope this helps...

Cheers
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Frank Yaeger
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PostPosted: Tue Aug 05, 2008 3:40 pm    Post subject: Reply with quote
You can now do this kind of thing quite easily with the new DATASORT operator of DFSORT's ICETOOL available with z/OS DFSORT V1R5 PTF UK90013 (July, 2008). Here's an example:

Code:

//S1   EXEC  PGM=ICETOOL
//TOOLMSG   DD  SYSOUT=*
//DFSMSG    DD  SYSOUT=*
//IN DD DSN=...  input file
//OUT DD DSN=...  output file
//TOOLIN DD *
DATASORT FROM(IN) TO(OUT) HEADER(10) TRAILER USING(CTL1)
/*
//CTL1CNTL DD *
  SORT FIELDS=(10,5,CH,A)
/*


For complete details on the new DATASORT function and the other new functions available with PTF UK90013, see:

www.ibm.com/systems/support/storage/software/sort/mvs/ugpf/
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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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