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vak255
Intermediate
Joined: 10 Sep 2004
Posts: 384
Topics: 79
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 Posted: Fri Aug 19, 2005 12:17 pm Post subject: WRITE-ONLY / READ-ONLY ??? |
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I know there is a
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APPLY WRITE-ONLY ON QT.
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but is there any read-only command. how to make the file read-only exclusive. Is this is valid.
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APPLY read-ONLY ON QT.
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kolusu
Site Admin
Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
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| Posted: Fri Aug 19, 2005 12:45 pm Post subject: |
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Vak255,
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but is there any read-only command. how to make the file read-only exclusive. Is this is valid.
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I guess you have the wrong idea about Apply Write Only COBOL compilier option. The exclusive read/write options are held by the JCL DISP parameter.
If you use the AWO option it does not mean that you get a exclusive WRITE option on the file. The APPLY WRITE-ONLY clause will make optimum use of buffer and device space when creating a sequential file with blocked variable-length records. With AWO specified, a buffer is truncated only when the next record does not fit in the unused portion of the buffer. Without AWO a buffer is truncated when it does not have enough space for a maximum-size record. The APPLY WRITE-ONLY clause has meaning only for sequential files that have variable-length records and are blocked.
Hope this helps...
Cheers
Kolusu
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