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How we can open a file in both Inp and Out mode at same time

 
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anki

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Joined: 04 Apr 2008
Posts: 23
Location: Pune

PostPosted: Tue Mar 10, 2009 4:29 pm    Post subject: How we can open a file in both Inp and Out mode at same time
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Hello,
Could you please advise how we can open a file in both Input and Output mode in assembler?
1. What we can specify in JCL?
2. What we have to specify in MACRF keyword while defining DCB?
3. Is there any keyword which can open file in I/O mode at the same time? [like OPEN(XYZ,INPUT) and OPEN(XYZ,OUTPUT) is there any other keyword other than INPUT and OUTPUT]

Thanks & Regards,
Ankit
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10277
Location: italy

PostPosted: Tue Mar 10, 2009 4:34 pm    Post subject: Reply to: How we can open a file in both Inp and Out mode at
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what does the manual I pointed You to in Your other thread say about the allowed open parameters ??

http://ibmmainframes.com/viewtopic.php?p=179310&highlight=#179310

and specifically for open
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DGT2D540/2.2.35?SHELF=DGT2BK71&DT=20070427024428
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