[Rivet] compare-histos with multiple analysis and multiple MC data sets

[Andy Buckley]

Eike von Seggern wrote:
> Hi Riveters,
> 
> I want to compare reference data with two different MC results. The
> problem I have is that I have more than one analysis, so what I tried
> is:
> 
> $ compare-histos PATH/TO/OPAL_1998_S3780481.aida MC1.aida MC2.aida
> $ compare-histos PATH/TO/DELPHI_1996_S3430090.aida MC1.aida MC2.aida
> 
> But the second call overwrites the OPAL*.dat files from the first call.
> 
> So is there a more comfortable way than concatening the output of
> aida2flat and building a new AIDA file with flat2aida to create a new
> reference data file?

Not currently --- of course we intended to be rid of AIDA by now, so not 
much effort went into making AIDA files! Feel free to write and commit 
such a script if it would be useful ;)

> BTW: aida2flat exits with an error if more than one aida file is given.

That shouldn't be the case. Can you post the error that you get?

Andy