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Removing leading zeros for varchar field using sort

 
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vijayakumar
Beginner


Joined: 28 Jul 2006
Posts: 17
Topics: 9
PostPosted: Tue Apr 24, 2012 10:40 pm    Post subject: Removing leading zeros for varchar field using sort Reply with quote
Hi,
I have a requirement to remove the leading zeros for varchar(40) field using sort. We can use JFY=(SHIFT=LEFT)) to remove the leading zeroes but whether it is possible to calculate the length also using sort. Could you please help me.

SORT FIELDS=COPY
OUTREC OVERLAY=(3,40,UFF,M10,LENGTH=40,
3:3,40,JFY=(SHIFT=LEFT))

For example
01 Var1.
49 Var1-length s9(4) Comp.
49 Var1-data x(40).

Input Sample data
Length(2 bytes) Value(40 bytes)
(BI)
05 00100
08 00020000
10 0012343533
10 1234567890


Output

Length(2 bytes) Value(40 bytes)
(BI)
03 100
05 20000
08 12343533
10 1234567890

Thanks.
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Anuj Dhawan
Intermediate


Joined: 19 Jul 2007
Posts: 298
Topics: 7
Location: Mumbai,India
PostPosted: Wed Apr 25, 2012 7:20 am    Post subject: Reply with quote
Try:
Code:
//SHOWLEN EXEC  PGM=ICEMAN
//SYSOUT    DD  SYSOUT=*
//SORTIN  DD DSN=...  input file (VB)
//SORTOUT DD SYSOUT=*
//SYSIN    DD    *
  OPTION COPY
  OUTREC BUILD=(1,4,1,2,BI,C':',5)
/*

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Anuj
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Wed Apr 25, 2012 12:24 pm    Post subject: Reply with quote
vijayakumar,

It is little tricky to remove the leading zeroes and also update the length. Here is a DFSORT JCL which will give you the desired results.

Code:

//STEP0100 EXEC PGM=SORT
//SYSOUT   DD SYSOUT=*
//SORTIN   DD DSN=Your Input Fb 42 byte file,DISP=SHR
//SORTOUT  DD SYSOUT=*
//SYSIN    DD *
  SORT FIELDS=COPY
  INREC IFTHEN=(WHEN=INIT,OVERLAY=(3:3,31,UFF,M10,LENGTH=31)),
  IFTHEN=(WHEN=(32,1,CH,EQ,C' '),OVERLAY=(33:33,10,UFF,M10,LENGTH=10))

  OUTREC IFTHEN=(WHEN=INIT,OVERLAY=(3:3,40,JFY=(SHIFT=LEFT))),

  IFTHEN=(WHEN=(03,40,CH,EQ,C' '),OVERLAY=(1:+0,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(03,01,CH,GT,C' ',AND,04,39,CH,EQ,C' '),
  OVERLAY=(1:+01,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(04,01,CH,GT,C' ',AND,05,38,CH,EQ,C' '),
  OVERLAY=(1:+02,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(05,01,CH,GT,C' ',AND,06,37,CH,EQ,C' '),
  OVERLAY=(1:+03,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(06,01,CH,GT,C' ',AND,07,36,CH,EQ,C' '),
  OVERLAY=(1:+04,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(07,01,CH,GT,C' ',AND,08,35,CH,EQ,C' '),
  OVERLAY=(1:+05,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(08,01,CH,GT,C' ',AND,09,34,CH,EQ,C' '),
  OVERLAY=(1:+06,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(09,01,CH,GT,C' ',AND,10,33,CH,EQ,C' '),
  OVERLAY=(1:+07,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(10,01,CH,GT,C' ',AND,11,32,CH,EQ,C' '),
  OVERLAY=(1:+08,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(11,01,CH,GT,C' ',AND,12,31,CH,EQ,C' '),
  OVERLAY=(1:+09,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(12,01,CH,GT,C' ',AND,13,30,CH,EQ,C' '),
  OVERLAY=(1:+10,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(13,01,CH,GT,C' ',AND,14,29,CH,EQ,C' '),
  OVERLAY=(1:+11,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(14,01,CH,GT,C' ',AND,15,28,CH,EQ,C' '),
  OVERLAY=(1:+12,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(15,01,CH,GT,C' ',AND,16,27,CH,EQ,C' '),
  OVERLAY=(1:+13,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(16,01,CH,GT,C' ',AND,17,26,CH,EQ,C' '),
  OVERLAY=(1:+14,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(17,01,CH,GT,C' ',AND,18,25,CH,EQ,C' '),
  OVERLAY=(1:+15,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(18,01,CH,GT,C' ',AND,19,24,CH,EQ,C' '),
  OVERLAY=(1:+16,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(19,01,CH,GT,C' ',AND,20,23,CH,EQ,C' '),
  OVERLAY=(1:+17,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(20,01,CH,GT,C' ',AND,21,22,CH,EQ,C' '),
  OVERLAY=(1:+18,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(21,01,CH,GT,C' ',AND,22,21,CH,EQ,C' '),
  OVERLAY=(1:+19,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(22,01,CH,GT,C' ',AND,23,20,CH,EQ,C' '),
  OVERLAY=(1:+20,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(23,01,CH,GT,C' ',AND,24,19,CH,EQ,C' '),
  OVERLAY=(1:+21,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(24,01,CH,GT,C' ',AND,25,18,CH,EQ,C' '),
  OVERLAY=(1:+22,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(25,01,CH,GT,C' ',AND,26,17,CH,EQ,C' '),
  OVERLAY=(1:+23,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(26,01,CH,GT,C' ',AND,27,16,CH,EQ,C' '),
  OVERLAY=(1:+24,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(27,01,CH,GT,C' ',AND,28,15,CH,EQ,C' '),
  OVERLAY=(1:+25,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(28,01,CH,GT,C' ',AND,29,14,CH,EQ,C' '),
  OVERLAY=(1:+26,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(29,01,CH,GT,C' ',AND,30,13,CH,EQ,C' '),
  OVERLAY=(1:+27,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(30,01,CH,GT,C' ',AND,31,12,CH,EQ,C' '),
  OVERLAY=(1:+28,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(31,01,CH,GT,C' ',AND,32,11,CH,EQ,C' '),
  OVERLAY=(1:+29,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(32,01,CH,GT,C' ',AND,33,10,CH,EQ,C' '),
  OVERLAY=(1:+30,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(33,01,CH,GT,C' ',AND,34,09,CH,EQ,C' '),
  OVERLAY=(1:+31,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(34,01,CH,GT,C' ',AND,35,08,CH,EQ,C' '),
  OVERLAY=(1:+32,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(35,01,CH,GT,C' ',AND,36,07,CH,EQ,C' '),
  OVERLAY=(1:+33,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(36,01,CH,GT,C' ',AND,37,06,CH,EQ,C' '),
  OVERLAY=(1:+34,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(37,01,CH,GT,C' ',AND,38,05,CH,EQ,C' '),
  OVERLAY=(1:+35,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(38,01,CH,GT,C' ',AND,39,04,CH,EQ,C' '),
  OVERLAY=(1:+36,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(39,01,CH,GT,C' ',AND,40,03,CH,EQ,C' '),
  OVERLAY=(1:+37,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(40,01,CH,GT,C' ',AND,41,02,CH,EQ,C' '),
  OVERLAY=(1:+38,TO=BI,LENGTH=2)),

  IFTHEN=(WHEN=(41,01,CH,GT,C' ',AND,42,01,CH,EQ,C' '),
  OVERLAY=(1:+39,TO=BI,LENGTH=2))
//*

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Kolusu
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Wed Apr 25, 2012 12:26 pm    Post subject: Reply with quote
Anuj Dhawan wrote:
Try:
Code:
//SHOWLEN EXEC  PGM=ICEMAN
//SYSOUT    DD  SYSOUT=*
//SORTIN  DD DSN=...  input file (VB)
//SORTOUT DD SYSOUT=*
//SYSIN    DD    *
  OPTION COPY
  OUTREC BUILD=(1,4,1,2,BI,C':',5)
/*


Anuj,

You totally misunderstood the requirement. OP does NOT have a variable block file. He has DB2 Varchar column in a FB file. And he needs to update the length portion of the VARCHAR column while removing the leading zeroes from the actual content.
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Anuj Dhawan
Intermediate


Joined: 19 Jul 2007
Posts: 298
Topics: 7
Location: Mumbai,India
PostPosted: Thu Apr 26, 2012 4:43 am    Post subject: Reply with quote
If it is so, yes, I misunderstood... Embarassed
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Anuj
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vijayakumar
Beginner


Joined: 28 Jul 2006
Posts: 17
Topics: 9
PostPosted: Fri Apr 27, 2012 12:47 pm    Post subject: Reply with quote
Thanks kolusu..
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