Re: 'Unknown branch' error

From: Pasha Murat (murat@cdfsga.fnal.gov)
Date: Sun Jun 21 1998 - 20:33:45 MEST

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Laurent Aphecetche writes:
 > Is it possible to intercept the 'Unknown branch' that one could get when
 > doing a TChain::SetBranchAddress on a branch that does not exist
 > (anymore) in a TTree ?

	Hi Laurent, the following check:

if (chain->GetBranch(branch_name)) {
  chain->SetBranchAddress(branch_name,address);
}

seems to be pretty much equivalent to intercepting the "bad" return. 

						Regards, Pasha.

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