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santosh.iim
New User
Joined: 20 Apr 2006
Posts: 9
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I was able to read DSN name of a dataset in COBOL module using TIOT parameters.
Would it be possible to EDIT this name of this dataset after the read.
Ex: After reading the dataset name as VGUNDU0.EPIC.TS
I tried moving/changing the name to VGUNDU0.E123.TS1.
The reason am doing this is because, the name can change and have a number which is dynamic and varies with each run.
This gave me a S0C4 abend which looked understandable.
Is there any way in which this can be done. I tried searching for past posts but couldn't find any relevant to this. |
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dick scherrer
Moderator Emeritus
Joined: 23 Nov 2006
Posts: 19244
Location: Inside the Matrix
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Hello,
If your code works correctly the current dsn will be available - there is no reason to change it. The code would locate the proper dd and return the first dataset name used by that dd (concatenated datasets are an entirely different matter).
Even if you believe there is a reason to change the actual dataset name, you cannot. . .
Why do you believe you should change something that is managed by the operating system, not your code?
Possibly there is something i misunderstand. . . |
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santosh.iim
New User
Joined: 20 Apr 2006
Posts: 9
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Thank you for replying.
The reason i am planning to change the name of the file is that we usually give a file in the JCL in this fashion. (VGUNDU0.QYQ9999.XS3). The number 9999 is generic one in the JCL.
As of today, there is a Asembler module which reads this DSN, changes the 9999 to a number which is dynamic and then located in the same Assembler.
Our intention was to replace this Assembler code with COBOL and in the process we are trying to change the name of the file.
Sorry for causing confusion. Please let me know if this is clear enough to understand. |
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dick scherrer
Moderator Emeritus
Joined: 23 Nov 2006
Posts: 19244
Location: Inside the Matrix
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Hello,
What you want is to name the file dynamically (if i understand). You can do this without trying to modify the system control block in your code.
Look here for starters:
ibmmainframes.com/viewtopic.php?t=46689
If you search the forum for BPXWDYN and PUTENV you will find multiple topics. . . |
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