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How can i do multiple start browse on a single file in cobol

 
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pkarthik@email.com
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Joined: 29 Mar 2005
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Topics: 18
Location: Canada

PostPosted: Fri Aug 19, 2005 9:46 am    Post subject: How can i do multiple start browse on a single file in cobol Reply with quote

How can i do multiple start browse on a single file in cobol??.Please help me because i need to do partial key read on a single file simultaneously.
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kolusu
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Joined: 26 Nov 2002
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Location: San Jose

PostPosted: Fri Aug 19, 2005 10:08 am    Post subject: Reply with quote

pkarthik,

What exactly are you trying to do ? If you want to read the file with partial key , why not sort the file on key and look up until it is greater than the look up key ? If post the requirement then may be we can suggest a solution.

Kolusu
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pkarthik@email.com
Beginner


Joined: 29 Mar 2005
Posts: 34
Topics: 18
Location: Canada

PostPosted: Fri Aug 19, 2005 10:11 am    Post subject: Reply with quote

I need to start browse on a file and then read then again start browse the same file consicutively to purge them.

first start browse i am using different start browse key and in secoun start browse different partial key.This my requirement.

Please give me a suggestion.
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kolusu
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PostPosted: Fri Aug 19, 2005 10:16 am    Post subject: Reply with quote

Pkarthik,

Let us assume that the following is your input file.

Code:

ABC12345
ABC23456
ABC34567

DEF00000
DEF12345

EFG12345



Let us say you want to purge 2 keys ABC and EFG. They are in another file.

Have both the files sorted on the key.

You read the first look up key which is ABC and now you will open file-1 and read until your partial is greater than the lookup key ! so you process all the records of key ABC. Similarly you repeat the process until the end of look up file.

Hope this helps...

Cheers

kolusu
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