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  • #!/bin/bash
    
    if [[ ! -n  "${JUGGLER_DETECTOR}" ]] ; then 
      export JUGGLER_DETECTOR="topside"
    fi
    
    if [[ ! -n  "${JUGGLER_N_EVENTS}" ]] ; then 
      export JUGGLER_N_EVENTS=100
    fi
    
    if [[ ! -n  "${JUGGLER_INSTALL_PREFIX}" ]] ; then 
      export JUGGLER_INSTALL_PREFIX="/usr/local"
    fi
    
    export JUGGLER_FILE_NAME_TAG="dis"
    export JUGGLER_GEN_FILE="${JUGGLER_FILE_NAME_TAG}.hepmc"
    
    export JUGGLER_SIM_FILE="sim_${JUGGLER_FILE_NAME_TAG}.root"
    export JUGGLER_REC_FILE="rec_${JUGGLER_FILE_NAME_TAG}.root"
    
    echo "JUGGLER_N_EVENTS = ${JUGGLER_N_EVENTS}"
    echo "JUGGLER_DETECTOR = ${JUGGLER_DETECTOR}"
    
    
    ### Build the detector constructors.
    git clone https://eicweb.phy.anl.gov/EIC/detectors/${JUGGLER_DETECTOR}.git
    git clone https://eicweb.phy.anl.gov/EIC/detectors/accelerator.git
    pushd ${JUGGLER_DETECTOR}
    ln -s ../accelerator/eic
    popd
    mkdir ${JUGGLER_DETECTOR}/build
    pushd ${JUGGLER_DETECTOR}/build
    cmake ../. -DCMAKE_INSTALL_PREFIX=/usr/local && make -j30 install
    popd
    
    # generate the input events
    # temporary standin until hepmc output from pythia is generated.
    root -b -q "dis/scripts/gen_central_electrons.cxx(${JUGGLER_N_EVENTS}, \"${JUGGLER_FILE_NAME_TAG}.hepmc\")"
    if [[ "$?" -ne "0" ]] ; then
      echo "ERROR running script"
      exit 1
    fi
    
    #
    pushd ${JUGGLER_DETECTOR}
    
    ## run geant4 simulations
    npsim --runType batch \
          --part.minimalKineticEnergy 1000*GeV  \
          -v WARNING \
          --numberOfEvents ${JUGGLER_N_EVENTS} \
          --compactFile ${JUGGLER_DETECTOR}.xml \
          --inputFiles ../${JUGGLER_FILE_NAME_TAG}.hepmc \
          --outputFile  ${JUGGLER_SIM_FILE}
    if [[ "$?" -ne "0" ]] ; then
      echo "ERROR running script"
      exit 1
    fi
    
    # Need to figure out how to pass file name to juggler from the commandline
    xenv -x ${JUGGLER_INSTALL_PREFIX}/Juggler.xenv \
      gaudirun.py ../options/tracker_reconstruction.py
    
    if [[ "$?" -ne "0" ]] ; then
      echo "ERROR running juggler"
      exit 1
    fi
    ls -l
    popd
    
    pwd
    mkdir -p results/dis
    
    root -b -q "dis/scripts/rec_dis_electrons.cxx(\"${JUGGLER_DETECTOR}/${JUGGLER_REC_FILE}\")"
    if [[ "$?" -ne "0" ]] ; then
      echo "ERROR running root script"
      exit 1
    fi
    
    if [[ "${JUGGLER_N_EVENTS}" -lt "500" ]] ; then 
    cp ${JUGGLER_DETECTOR}/${JUGGLER_REC_FILE} results/.
    fi