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Override system date In JCL

 
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rahul.nilekar

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Joined: 06 Aug 2005
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PostPosted: Wed Sep 12, 2007 3:14 pm    Post subject: Override system date In JCL
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Is there any parameter in JCL which can used to override system date in the program running in particular step?
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murmohk1

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PostPosted: Wed Sep 12, 2007 3:20 pm    Post subject:
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Rahul,

Your post is not clear. Post some more info about your requirment.
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Anuj Dhawan

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PostPosted: Wed Sep 12, 2007 4:24 pm    Post subject: Re: Override date In JCL
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rahul.nilekar wrote:
Is there any parameter in JCL which can used to override system date in the program running in particular step?
Hi,

Overrides are meant for DD statements.

It's not clear from your post, where do you want to override the date & how? If you show some example, hopefully, some one would be able to answer.
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superk

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PostPosted: Wed Sep 12, 2007 4:54 pm    Post subject: Reply to: Override date In JCL
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No, there is not.
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rahul.nilekar

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PostPosted: Wed Sep 12, 2007 5:06 pm    Post subject:
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Hi,
Please find more info about the problem.
Example:
I am accepting system date in a cobol program like ACCEPT WS-DATE FROM DATE. Now whenever you accept date like this it will return CURRENT SYSTEM DATE into the variable WS-DATE.
But here in this case I want override this SYSTEM DATE with whatever date I will provide thru JCL. So basically the statement ACCEPT WS-DATE FROM DATE should return a date which I have supplied thru JCL.

I hope the problem is a little clear now.

Thanks
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UmeySan

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PostPosted: Wed Sep 12, 2007 5:43 pm    Post subject:
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Hi rahul.nilekar !

So why not execute the programm with a parm in the JCL where you type that special date.

//SYSTSIN DD *
PROFILE
DSN SYSTEM(DB2T)
RUN PROGRAM(MDL80000) PLAN(GK210307)-
PARM('24.09.1957')
END

Then in your Programm check parm and move this date to your desired field WS-DATE.

Regards, UmeySan
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rahul.nilekar

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PostPosted: Thu Sep 13, 2007 10:53 am    Post subject:
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hi,
These are not new programs. These are the existing ones. I just need to test them with different date other than the current date.
Thanks
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Devzee

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PostPosted: Thu Sep 13, 2007 11:28 am    Post subject:
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You can change your COBOL program like
Quote:
ACCEPT WS-DATE
, and then in JCL use SYSIN dd name for the program and pass date.
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rahul.nilekar

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PostPosted: Thu Sep 13, 2007 11:42 am    Post subject:
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Hi ,
I need to get it done without changing the cobol programs.
Thanks
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murmohk1

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PostPosted: Thu Sep 13, 2007 12:09 pm    Post subject:
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rahul,

Quote:
I need to get it done without changing the cobol programs.

Not possible. Either you need to change the program or system date itself (which is not posisble).
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Devzee

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PostPosted: Thu Sep 13, 2007 12:11 pm    Post subject:
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If you dont want to change your code and do this kind of testing,
then you may have to look for some tools.

I remember there were lot of tools available for this kind of date simulation testing during Y2k changes, like Hourglass 2000 .

Check if any available in your site?
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murmohk1

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PostPosted: Thu Sep 13, 2007 12:46 pm    Post subject:
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Devzee,

Quote:
I remember there were lot of tools available for this kind of date simulation testing during Y2k changes, like Hourglass 2000 .

Hour glass effects other programs also running in the region. Need to consider the side effects also.
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rahul.nilekar

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PostPosted: Fri Sep 14, 2007 12:59 pm    Post subject:
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Thank you all... Hourglass is there at our site
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Devzee

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PostPosted: Sat Sep 15, 2007 9:11 am    Post subject:
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Quote:
Hourglass is there at our site

Go ahead and use it.
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