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Hi all,

It seems that every day a file somewhere is being modified which causes a lot of problems as we are many developpers on the same LPAR. Unit tests are carried out in a test library. The program being tested may use other programs already in production (ie outside the test library ) and crash because another developper has changed a file used by that program. I often wonder if the information being added to the file is really necessary.

For example : if I have myclientFile with ClientNumber and ClientType. Then I modifiy the file and add a flag : ClientLikesBiscuitsWithCoffee. So, I'll add a Y or a N to each client record. That information may be required once a week, although the file is being accessed all day 24/7 by multiple applications. If the value of the new flag could be revealed by examining clientType, eg clients must be red or purple, wouldn't this flag be better left out of the file and a service program used instead to return the value of the flag?

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