Mixing RENT and NORENT COBOL loads in a NODYNAM composite load

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It is possible to link RENT and NORENT COBOL loads into a composite load have have successful execution in a non-CICS batch and on-line IMS environment? Ths question assumes, of course, that there is no CICS coding in any of the sourse used to create the loads. Our shop has some, but not all, apps moving to CICS. We do not want to maintain multiple loads for a source module

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you can link source code used as input to a composit link as rent or norent. the final composit link determines loads status. initial link would be best if ncal is used and the final composit link will resolve all subroutines.

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  • DBZinGermany
    if your goal is reducing the number of copies, you should consider 'Dynamic' linking instead of 'Static' linking. The upside is that when you modify a module, you do not have to relink every 'Control' module. Actually, you can do away with the 'Composite load mentality'. Downside - used to be - that the 'loader' must load each module the first time it is called. after that, the 2nd call accesses the Resident copy. In this way you can Call the same module from CICS or batch. - as long as there is no VSAM code. DB2 is ok, because CICS does not control DB2. If you are stuck with existing VSAM - that will never go away: A is a batch control module, B is a CICS control module. Each eventually calls a module that requires VSAM IO. So, each would call Modul 'VSAM IO Control', which would determine the environment - Batch or CICS, then Call the appropriate VSAM IO module (batch or cics). yea, sounds like a lot of modules, but once you have the concept, you are off and running. if you have existing batch modules - that you need to migrate to cics - using Dynamic (instead of Static) linking, might save you a lot of time. i do not wish to sound negative, but Huge composite load modules are a thing of the past, and your goal should be to do away with these.
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