fhicl file to run purity monitor for keep up processing

fcl/reco/Stage0/data/stage0_purity_only_icarus.fcl

@@ -0,0 +1,43 @@
+###
+## This fhicl file is used to run "stage0" processing specifically for the case where all
+## TPC data is included in an artdaq data product from a single instance
+##
+#include "stage0_icarus_driver_common.fcl"
+
+process_name: stage0
+
+## Define the path we'll execute
+physics.path:     [ daqTPCROI,@sequence::icarus_purity_monitor ]
+
+## boiler plate...
+physics.outana:        [ purityinfoana0, purityinfoana1 ]
+physics.trigger_paths: [ path ]
+physics.end_paths:     [ outana, streamROOT ]
+
+# Drop the artdaq format files on output, 
+# Drop all output from the TPC decoder stage
+# Drop all output from the 1D deconvolution stage
+# Drop the recob::Wire output from the roifinder (but keep the ChannelROIs)
+# Drop the reconstructed optical hits before the timing correction
+# Drop the PMT waveforms (will keep the ones from daqPMTonbeam)
+# Keep the Trigger fragment
+outputs.rootOutput.outputCommands: [
+    "keep *_*_*_*", 
+    "drop artdaq::Fragments_*_*_ICARUSReprocessRaw",
+    "drop *_*_*_DAQ*",
+    "drop *_ophituncorrected_*_*",
+    "drop *_daqPMT_*_*",
+    "drop *_daqPMTonbeam_*_*",
+    "drop *_daqTPCROI_*_*", 
+    "drop *_decon2droiEE_*_*",
+    "drop *_decon2droiEW_*_*",
+    "drop *_decon2droiWE_*_*",
+    "drop *_decon2droiWW_*_*",
+    "drop *_decon1droi_*_*", 
+    "drop recob::Wire*_roifinder_*_*",
+    "keep *_daq_ICARUSTriggerV*_*"]
+
+## Modify the event selection for the purity analyzers
+physics.analyzers.purityinfoana0.SelectEvents:    [ path ]
+physics.analyzers.purityinfoana1.SelectEvents:    [ path ]
+