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sreelekshmi
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Joined: 16 Jan 2007
Posts: 9
Location: Bangalore
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Hi,
I am using a nested cobol program.In the main program I have declared some working storage fields.Can I use the same fields in the nested program without declaring it again in the nested program?If so,how the nested program will be taking those feilds from the main program?
Thanks
Sreelekshmi |
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pingte
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Joined: 03 Dec 2005
Posts: 120
Location: india
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What do you mean by a nested cobol program..
Is it a called prorgram.. i.e to it subprogram u r calling from main program? |
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agkshirsagar
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Joined: 27 Feb 2007
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What do you mean by nested program? a subprogram?
If you mean subprogram, then you need to declare variables there too..
Please give some more informatil about your question.. |
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sreelekshmi
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Joined: 16 Jan 2007
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Location: Bangalore
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Nested program is like one program inside another program.We used to write the nested program inside the main program itself.It starts with a seperate identification division inside the main program.
Thanks
Sreelekshmi |
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murmohk1
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Joined: 29 Jun 2006
Posts: 1436
Location: Bangalore,India
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sreelekshmi,
| Quote: |
| I am using a nested cobol program.In the main program I have declared some working storage fields.Can I use the same fields in the nested program without declaring it again in the nested program?If so,how the nested program will be taking those feilds from the main program? |
Yes. But the other way can't be done (i.e., variables declared in sub-program cannot be reffered in the main program).
If you have any common variable, local variable overrides the global/main program declaration. |
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sreelekshmi
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Joined: 16 Jan 2007
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Location: Bangalore
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Hi Murali,
Thanks for the reply.
But how the nested program can use the variables declared in the main program without declaring the main program varaibles as global?In my program none of the fields are declared as global.
Regards,
Sreelekshmi |
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agkshirsagar
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Joined: 27 Feb 2007
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Is this discussion going on about COBOL? Just needed to confirm, because 'jargon' looks different.  |
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pingte
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Joined: 03 Dec 2005
Posts: 120
Location: india
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What is the basic idea behing such nested programming 
Is it a client requirement or merely of theoritical interest  |
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murmohk1
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Joined: 29 Jun 2006
Posts: 1436
Location: Bangalore,India
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agkshirsagar,
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| Is this discussion going on about COBOL? Just needed to confirm, because 'jargon' looks different. |
Yes, it is about cobol language.
sreelekshmi,
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| But how the nested program can use the variables declared in the main program without declaring the main program varaibles as global?In my program none of the fields are declared as global. |
By default any variable declared in the nested program is visible to that level as well as sub level. |
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sreelekshmi
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Joined: 16 Jan 2007
Posts: 9
Location: Bangalore
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Ok ,this cleared my doubt.
Thanks once again
Sreelekshmi |
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Phrzby Phil
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Joined: 31 Oct 2006
Posts: 1042
Location: Richmond, Virginia
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| Please include an extremely short example of your nested COBOL program. Just the essentials, so we can see the structure, and how this variable is known at different levels. Thanks. |
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agkshirsagar
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Joined: 27 Feb 2007
Posts: 691
Location: Earth
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| OP liked answer from murmohk1 and he too seems well versed with 'nested COBOL programs'. May be he can help us understanding nested COBOL program. |
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William Thompson
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Joined: 18 Nov 2006
Posts: 3156
Location: Tucson AZ
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murmohk1
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Joined: 29 Jun 2006
Posts: 1436
Location: Bangalore,India
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agkshirsagar & Phrzby,
I hope you get the examples required. |
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agkshirsagar
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Thanks Bill and Murali,
I got to learn something new. |
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Phrzby Phil
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Joined: 31 Oct 2006
Posts: 1042
Location: Richmond, Virginia
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| Thanks as well - new to me, too. |
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William Thompson
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Joined: 18 Nov 2006
Posts: 3156
Location: Tucson AZ
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| The Enterprise COBOL Programmer's Guide has a lot of stuff I never associated with COBOL (dinosaur...), really kind of neat. |
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