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File sorting without effecting header and trailer record.

 
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Divyananda

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Joined: 11 Dec 2008
Posts: 9
Location: Chennai

PostPosted: Wed Jul 22, 2009 4:23 pm    Post subject: File sorting without effecting header and trailer record.
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I have a file of record length 300.The first and the last record is header and trailer record.The data records are present between the header and trailer record. The first four bytes of all the records is the identifier field and it is numeric.

My requirement is to sort only the Data records and get a sorted file without any change to header and footer records in the output file using DFSORT.

Can anyone help me out

Thanks in Advance!!
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expat

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Joined: 14 Mar 2007
Posts: 8593
Location: Back in jolly old England

PostPosted: Wed Jul 22, 2009 4:30 pm    Post subject:
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Not with the small amount of information that you have provided, no.

Which SORT product are you using, DFSORT, SYNCSORT, CA-SORT
What are the 4 bytes to distinguish the different records (header, trailer,data)
What is the RECFM of the file
Where are the sort key(s) for the file, and the length(s)
What format are the sort key(s)
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Divyananda

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Joined: 11 Dec 2008
Posts: 9
Location: Chennai

PostPosted: Wed Jul 22, 2009 4:40 pm    Post subject:
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I use DFSORT sort product

The first four Bytes is record identifier and also numeric numeric data type -
1121 : to Identify Header record
1122 : to identify Trailer record
nnnn : any numerical combination for data records.

The record format is FB,

The first four bytes is the sort key and length is 4 Bytes

The sort key format is ZD.

for more Information-
the record structure is

01 ABC-REC
05 REC-IDNTFR PIC 9(4).
05 REC-INFO PIC X(296).
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Frank Yaeger

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

PostPosted: Wed Jul 22, 2009 9:09 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/300)
//OUT DD DSN=...  output file (FB/300)
//TOOLIN DD *
DATASORT FROM(IN) TO(OUT) HEADER TRAILER USING(CTL1)
/*
//CTL1CNTL DD *
  SORT FIELDS=(1,4,ZD,A)
/*
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