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Siddharth4v
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Joined: 20 Aug 2008
Posts: 7
Location: India
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Hi,
Can somebody help me out on "how to allocate a VSAM file" from an assembler program. I actually want to dynamically create a VSAM file from an application program written in assembler.
I'm only able to get how to read and write to an existing VSAM file. I'm not getting how to allocate a VSAM from an assembler program. |
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Bill Dennis
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Joined: 17 Aug 2007
Posts: 562
Location: Iowa, USA
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| One option is to call program IDCAMS after building the SYSIN data "cards" in your main program. The DFSMS Access Methods Services for Catalogs manual has an Appendix showing a program invoked IDCAMS sample. |
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expat
Global Moderator
Joined: 14 Mar 2007
Posts: 8797
Location: Welsh Wales
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| Siddharth4v wrote: |
Hi,
Can somebody help me out on "how to allocate a VSAM file" from an assembler program. I actually want to dynamically create a VSAM file from an application program written in assembler.
I'm only able to get how to read and write to an existing VSAM file. I'm not getting how to allocate a VSAM from an assembler program. |
May I ask the need to build a dynamic VSAM file in flight ?
Have you considered the problems that this may cause for the prod support people who will have no record in their JCL of where the file is created.
I have come across this before and it really is a PUTA for those that have to support the end product. |
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