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Remove duplicates in jcl sort

 
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selvakumar_ms

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Joined: 30 Mar 2004
Posts: 8

PostPosted: Sat Apr 10, 2004 6:14 pm    Post subject: Remove duplicates in jcl sort
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hi,
is there any chance to remove duplicates in jcl sort?
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bluebird

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Joined: 03 Feb 2004
Posts: 127

PostPosted: Sat Apr 10, 2004 7:20 pm    Post subject:
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hello,

Code:

//sysin dd*
sort fields=(p1,l1,ch)
sum fields=none


p1 pos of dup
l1 length
ch sort parm for character
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selvakumar_ms

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Joined: 30 Mar 2004
Posts: 8

PostPosted: Mon Apr 12, 2004 2:43 pm    Post subject:
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bluebird wrote:
hello,

Code:

//sysin dd*
sort fields=(p1,l1,ch)
sum fields=none


p1 pos of dup
l1 length
ch sort parm for character


excuse me i couldn't get u
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anuradha

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Joined: 06 Jan 2004
Posts: 247
Location: Hyderabad

PostPosted: Tue Apr 13, 2004 6:19 pm    Post subject: To remove duplicates
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hi selvakumar_ms,

I will try to xplain you more clearly for what bluebird said:


//sysin dd*
sort fields=(p1,l1,ch)
sum fields=none

In the above sysin stmt,if we specify sum fields=none it will automatically take care of removing duplicates while sorting.

p1 in sort filelds is nothing but the position of duplicates.
l1 is length of those fields from p1.
ch is sort parameter for character.


If you have key field of length 7 bytes on which you want to eliminate duplicates then the following JCL will give you the results.

Code:
Code:

//STEP001  EXEC PGM=SORT
//*
//SYSOUT   DD SYSOUT=*
//SORTIN   DD DSN=YOUR.INPUT.FILE,
//            DISP=SHR
//SORTOUT  DD DSN=YOUR.OUTPUT.FILE,
//            DISP=(NEW,CATLG,DELETE),
//            SPACE=(CYL,(X,Y),RLSE)
//SYSIN    DD *
   SORT FIELDS=(1,7,CH,A)
   SUM FIELDS=NONE
/*             



Thanks
Anu
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bluebird

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Joined: 03 Feb 2004
Posts: 127

PostPosted: Wed Apr 14, 2004 12:30 pm    Post subject:
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thanx anurada. Nice to see that somebody outthere reads me...
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