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how to get matching records in third file in cobol

 
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saujanya_2831

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Joined: 09 May 2007
Posts: 27
Location: pune

PostPosted: Wed Aug 08, 2007 3:18 pm    Post subject: how to get matching records in third file in cobol
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15) file1 & file2 contains records
FILE1 FILE2 FILE3
1 2
2 4
3 6
4 7
5 8

if file1 & file 2 record matches then file3 writes matched records .(each & every record of file1 should compare with each record of file2)
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balakrishna reddy

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Joined: 13 Jul 2007
Posts: 130
Location: Guntur

PostPosted: Wed Aug 08, 2007 3:44 pm    Post subject:
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hi saujanya,

this topic is already discussed i think.

Code:

procedure division.
     open input infile1.
     open output outfile.
     perform read-infile-1 thru read-infile-1-exit until eof1 = 'y'
     close infile1 outfile.
     stop run.
read-infile-1.
      read infile1 at end move 'y'y to eof1.
      open input infile2.
       move 'n' to eof2.
      perform read-infile-2 thru read-infile-2-exit until eof2 = 'y'.
      close infile2.
read-infile-1-exit.
      exit.
read-infile-2.
       read infile2 at end move 'y' to eof2.
       if (val1 = val2)
           move val1 to val3
           write outrec
           move 'y' to eof2.
read-infile-2-exit.
       exit.



i didn't mentioned working-storage section,declarations should be according to the usage.
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