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The macro FilterRootFiles.C is a very simple macro which makes the event filtering a bit easier. With this macro, the user can specify a software package as argument (like "BeamtestRelease-v3r0907p2" or "EngineeringModel-v6r070329p16") and the macro loads the appropriate root libraries (using the macro LoadLibraries.C) and then executes EventFilter.C for the 3 types of files sequentially(in case they are specified as arguments) sequencially.
An example of running the macro FilterRootFiles.C is given by macro FilterEvents_BeamTest_CR_CERN322.C, which is the macro that defines the software package to be used, the input and output filenames and the selection cut to be applied to the events. In partituclar this macro uses the software package "BeamtestRelease-v3r0907p2" to select events from beam test run 700000322 according to the selection criteria:
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