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harijax
New User
Joined: 16 Jul 2008
Posts: 22
Location: Bangalore
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Hi,
I have an unsorted flat file which cannot be sorted. Unfortunately the first data I require from the file is in the very last record. So now I have to read the entire file and get this data and start reading the file from the start.
Is it possible to get tis data to the tool through some SYNCSORT step.
Regards
harijax |
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Garry Carroll
Senior Member
Joined: 08 May 2006
Posts: 1193
Location: Dublin, Ireland
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You could use use SYNCSORT to append or prepend SEQNUM to work records and then sort these descending to reverse the order of the records in a workfile, removing the SEQNUM. The original file is unaffected.
I'm sure there are alternative ways to skin this particular cat.
Garry. |
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mmwife
Super Moderator
Joined: 30 May 2003
Posts: 1592
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If your shop has FileAid you can try this:
| Code: |
//COPYBACK EXEC PGM=FILEAID
//DD01 DD DSN=YOUR.FILE,etc.
//DD01O DD DSN=last.rec.file,etc.
//SYSIN DD *
$$DD01 COPYBACK OUT=1
/*
//*
//NEXT EXEC PGM=....
//LASTREC DD DSN=last.rec.file,etc.
//etc.... |
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Anuj Dhawan
Superior Member
Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India
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Hi,
If you have DFSORT and the correct PTF, try this:
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//S1 EXEC PGM=ICETOOL
//TOOLMSG DD SYSOUT=*
//DFSMSG DD SYSOUT=*
//IN DD DSN=... input file
//OUT DD DSN=... output file
//TOOLIN DD *
SUBSET FROM(IN) TO(OUT) KEEP INPUT LAST |
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Anuj Dhawan
Superior Member
Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India
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or may be this:
| Code: |
//SYSIN DD *
SORT FIELDS=COPY
OUTFIL REMOVECC,NODETAIL,TRAILER1=(1,80) |
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