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How to find the number of records with a particular key

 
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Ganesh Kalam
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Joined: 11 Aug 2005
Posts: 45
Location: India

PostPosted: Wed Mar 28, 2007 9:40 am    Post subject: How to find the number of records with a particular key
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Hi,

My Input file is like this

100 A
100 B
100 C
200 A
200 C
300 E
400 F
400 G

Consider the first three characters as key.. My output should look like

100 3
200 2
300 1
400 2

My requirement is, i should write the key along with the number of occurences of key in the input file.

Please help me in doing this operation. Thanks in advance ..
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guptae

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Joined: 14 Oct 2005
Posts: 1187
Location: Bangalore,India

PostPosted: Wed Mar 28, 2007 10:13 am    Post subject:
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Hi There,

You can use following sort card for this

Code:
//SYSIN    DD  *                     
   INREC FIELDS=(1,80,C'1')           
   SORT FIELDS=(1,3,CH,A)             
   SUM FIELDS=(81,1,ZD)               
   OUTREC FIELDS=(1,3,4,1,81,1,80:X) 
/
*
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murmohk1

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Joined: 29 Jun 2006
Posts: 1439
Location: Bangalore,India

PostPosted: Wed Mar 28, 2007 10:26 am    Post subject:
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Hi Ganesh,

In addition to Ekta's solution, you could use the following for your requirement -

Code:

//SPLIT  EXEC PGM=SORT
//SYSOUT   DD SYSOUT=*
//*
//SORTIN DD *
100 A
100 B
100 C
200 A
200 C
300 E
400 F
400 G
/*
//*
//SORTOUT DD SYSOUT=*
//*
//SYSIN DD *
    SORT FIELDS=COPY
*
    OUTFIL REMOVECC,NODETAIL,
    SECTIONS=(1,3,
                       TRAILER3=(1,3,10:COUNT=(M10,LENGTH=5)))
/*
[/code]
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Frank Yaeger

DFSORT Moderator


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

PostPosted: Wed Mar 28, 2007 8:34 pm    Post subject:
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You can also use this DFSORT/ICETOOL job:

Code:

//S1    EXEC  PGM=ICETOOL                                 
//TOOLMSG DD SYSOUT=*                                     
//DFSMSG  DD SYSOUT=*                                     
//IN DD DSN=...  input file                                                 
//RPT DD SYSOUT=*                                         
//TOOLIN   DD    *                                       
OCCUR FROM(IN) LIST(RPT) ON(1,3,CH) ON(VALCNT) BLANK     
/*                                                       


RPT will have:

Code:

(1,3,CH)       VALUE COUNT 
100                      3 
200                      2 
300                      1 
400                      2 


You can use various ICETOOL formatting options to change the way the report looks.
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Ganesh Kalam
Warnings : 1

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Joined: 11 Aug 2005
Posts: 45
Location: India

PostPosted: Thu Mar 29, 2007 10:15 am    Post subject:
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Hi Ekta/Murali/Frank,

I tried the solutions given by Murali and Frank. They are working fine and meets my requirement.

Ekta, I am getting an error while trying your sort card. It seems there is a problem with outrec statement. I could not figure out the exact error. Can you please check it.

Thanks again for your quick response.
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murmohk1

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Joined: 29 Jun 2006
Posts: 1439
Location: Bangalore,India

PostPosted: Thu Mar 29, 2007 10:18 am    Post subject:
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Ganesh,

Could it be possible to post the spool messages so that we can help you out?
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