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chuck
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Joined: 30 Nov 2007
Posts: 29
Topics: 13
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 Posted: Mon May 01, 2023 4:30 pm Post subject: Using OPC dataset trigger |
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Hi,
We use OPC (TWS) for scheduling jobs. We have a job that is dataset triggered - an external process ftps a file to the mainframe and "overlays" a preexisting flat file
The last step of this job creates an empty file for the next execution.
But the creation of this empty dataset causes the job to be triggered again- this time it will do nothing because the first step checks if the input file is empty and causes all other steps to be bypassed.
Is there some way to prevent the job being triggered again by the creating of the empty file?
I really know bupkis about OPC itself. |
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kolusu
Site Admin
Joined: 26 Nov 2002
Posts: 12377
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Location: San Jose
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| Posted: Mon May 01, 2023 8:12 pm Post subject: |
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chuck,
You can code the FTP step to create the dataset rather than use a Pre-existing dataset. In the FTP cards , use
| Code: | | QUOTE SITE LRECL=nnnnn RECFM=xy BLKSIZE=nnnnnn primary=a secondary=b cyls |
This will allocate "a" primary and "b" secondary in cylinders for the dataset
_________________
Kolusu
www.linkedin.com/in/kolusu |
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chuck
Beginner
Joined: 30 Nov 2007
Posts: 29
Topics: 13
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| Posted: Wed May 03, 2023 9:24 am Post subject: |
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| kolusu wrote: | chuck,
You can code the FTP step to create the dataset rather than use a Pre-existing dataset. In the FTP cards , use
| Code: | | QUOTE SITE LRECL=nnnnn RECFM=xy BLKSIZE=nnnnnn primary=a secondary=b cyls |
This will allocate "a" primary and "b" secondary in cylinders for the dataset |
Thanks Kolusu. I checked with our data transfer group and yes, it is a pattern they are familiar with. So in my JCL I will just delete that file at the end. Regards |
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