Re: [ROOT] file.write() and modified classes

From: Rene Brun (Rene.Brun@cern.ch)
Date: Tue Dec 04 2001 - 14:38:41 MET

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Hi,

joe robe wrote:
> 
> Hi Rooters,
> 
> if I modify a class, is there any way that "old"
> versions still can be read ?
> 

ROOT version 3 and above supports automatic schema evolution.
See Users Guide page 199

Rene Brun

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