Hi all, i am using the key versioning of objects in TFile. I would like to replace objects written with a definite cycle using kOverwrite, like this: rootInquire->Write(rootInquire->getName().c_str(),TObject::kOverwrite); Where rootInquire->getName().c_str() returns something like: "application;1" or "application;2" Everyithing is working fine when the cycle number is 1 and there is only one iteration of the object in the TFile, and i got my object in TFile replaced as desired. If the number of iterations present in the TFile is two, i get this behavior: before the overwriting of object of cycle 1, in the directory: application;1 application;2 after the overwriting: application;2 application;3 That is, the key cycle 1 is deleted, but the object is written with key cycle 3 (which is, i think, the expected behavior for the kOverwrite option in the method Write()) Since the key cycles gymnic is mandatory for my project, i have to obtain the desired behavior. How can i do that, even not using the kOverwrite option and instead using lower level instructions? Many thanks, Guido Gagliardi
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