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Delete Multiple occurences from a file if key match 2nd file

 
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nandita

New User


Joined: 28 Jul 2005
Posts: 1

PostPosted: Thu Jul 28, 2005 6:12 am    Post subject: Delete Multiple occurences from a file if key match 2nd file
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I have the following two files of equal record length.

File 1:

1 aaaa
1 bbbb
2 xxxx
2 kkkk
3 oooo
4 yyyy

File 2:
2

I need my output as ;
1 aaaa
1 bbbb
3 oooo
4 yyyy

I tried various ways but failed instead I got my results as
1 aaaa
3 oooo
4 yyyy

Basically my requirement is to delete all the occurance from one file when the key is present in the second file. Can anyone help me with an answer ? Thanks in advance.
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Frank Yaeger

DFSORT Moderator


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

PostPosted: Thu Jul 28, 2005 10:29 pm    Post subject:
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Nandita,

You can use the following DFSORT job to do what you asked for:

Code:

//S1    EXEC  PGM=ICEMAN
//SYSOUT    DD  SYSOUT=*
//SORTIN DD DSN=...  input file2
//SORTOUT DD DSN=&&S1,UNIT=SYSDA,SPACE=(TRK,(1,1)),DISP=(,PASS)
//SYSIN    DD    *
  OPTION COPY
* Create a DFSORT Symbol as follows:
* DEL,'n'
* where n is the first byte in the file2 record.
  OUTREC FIELDS=(C'DEL,''',1,1,C'''',80:X)
/*
//S2    EXEC  PGM=ICEMAN
//SYSOUT    DD  SYSOUT=*
//SYMNAMES DD DSN=&&S1,DISP=SHR
//SORTIN DD DSN=... input file1
//SORTOUT DD DSN=...  output file
//SYSIN    DD    *
  OPTION COPY
* Use DEL to delete the unwanted records from file1.
  OMIT COND=(1,1,CH,EQ,DEL)
/*
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