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How to check whether the file is empty or not in SORT?

 
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bbharathiraj
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Joined: 26 Oct 2006
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Location: Chennai

PostPosted: Mon Dec 04, 2006 3:06 pm    Post subject: How to check whether the file is empty or not in SORT?
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Hi All,

Please find my requirement below.

I have one PS file (Recfm=FB,LrecL=80).It?s needs to be processed only if the file have at least one record say at step 2. If not I have to process the next step says Step3. So I need to check whether the file is empty or not at step1. Is possible to do this by using SORT?.

I know we can do it by file aid by checking the return code 8. But I am expecting millions of records in this file. So to improve the performance, I want to implement this by using SORT.

Could any one have a idea about this?

Thanks in advance,
Bharathiraj
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hariavinash

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Joined: 04 Jan 2006
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PostPosted: Mon Dec 04, 2006 5:47 pm    Post subject:
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using IDCAMS

PRINT INFILE(FILE01) CHARACTER COUNT(1)
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Frank Yaeger

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Joined: 15 Feb 2005
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Location: San Jose, CA

PostPosted: Mon Dec 04, 2006 10:37 pm    Post subject:
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Quote:
Is possible to do this by using SORT?.


Yes. The "Set RC=12 or RC=4 if file is empty, has more than n records, etc" Smart DFSORT Trick at:

http://www.ibm.com/servers/storage/support/software/sort/mvs/tricks/

shows how to do it.
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bbharathiraj
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PostPosted: Wed Dec 06, 2006 3:08 pm    Post subject:
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Thanks you very much.
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