ATC: ATLAS Center at ANL

On atlas1.hep.anl.gov:

export AVERS=$1
export TEST_AREA=$HOME/athenaTestarea/$1
 
export ATLAS_LOCAL_ROOT_BASE=/cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase
source ${ATLAS_LOCAL_ROOT_BASE}/user/atlasLocalSetup.sh
asetup 17.2.11.12,AtlasProduction,slc5

I did this last in ~/athenaTestarea/17.2.11.12.2/

Download this job options file.

get_files Example_McAsciiReader_jobOptions.py

Edit Example_McAsciiReader_jobOptions.py where it specifies an input filename so that it reads from your file (line 51) and change MCEVENTKEY='GEN_EVENT' (line 38).