Update of example including EPOS4.0.3 version

Author: jackal1-66

MC/config/examples/epos4/epos.sh

@@ -6,6 +6,29 @@
 
 optns="example"
 seed=$RANDOM
+EPOS4=""
+
+if [ -z "$EPO4VSN" ]; then
+    echo "Error: EPO4VSN environment variable is not set"
+    exit 1
+fi
+
+if [ "$EPO4VSN" = "4.0.0" ]; then
+    EPOS4="$EPOS4_ROOT/epos4/scripts/epos"
+    export LIBDIR=$EPOS4_ROOT/epos4/bin
+else
+    EPOS4="$EPOS4_ROOT/epos4/bin/epos"
+    export BIN_DIR=$EPOS4_ROOT/epos4/bin
+fi
+
+# Check if the environment variable EPO4 is set (mandatory with o2dpg-sim-tests on CI machines)
+# If not, set all the EPOS4 related variables, most likely they are unset as well.
+if [ -z "${EPO4}" ]; then
+    export EPO4=$EPOS4_ROOT/epos4/
+    export OPT=./
+    export HTO=./
+    export CHK=./
+fi
 
 while test $# -gt 0 ; do
     case $1 in
@@ -26,16 +49,5 @@ if [ $seed -eq 0 ]; then
     seed=$RANDOM
 fi
 
-# Check if the environment variable EPO4 is set (mandatory with o2dpg-sim-tests on CI machines)
-# If not, set all the EPOS4 related variables, most likely they are unset as well.
-if [ -z "${EPO4}" ]; then
-    export EPO4=$EPOS4_ROOT/epos4/
-    export LIBDIR=$EPOS4_ROOT/epos4/bin
-    export EPO4VSN=4.0.0
-    export OPT=./
-    export HTO=./
-    export CHK=./
-fi
-
-# Or filters the stdout with only HepMC2 useful data
-$EPOS4_ROOT/epos4/scripts/epos -hepstd -s $seed $optns | sed -n 's/^\(HepMC::\|[EAUWVP] \)/\1/p'
+# OR filters the stdout with only HepMC useful data
+$EPOS4 -hepstd -s $seed $optns | sed -n 's/^\(HepMC::\|[EAUWVP] \)/\1/p'

MC/config/examples/ini/GeneratorEPOS4-0-3.ini

@@ -0,0 +1,11 @@
+#---> GeneratorEPOS4
+[GeneratorExternal]
+fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/examples/epos4/generator_EPOS4.C
+funcName=generateEPOS4("${O2DPG_MC_CONFIG_ROOT}/MC/config/examples/epos4/generator/example.optns", 2147483647)
+
+[GeneratorFileOrCmd]
+cmd=${O2DPG_MC_CONFIG_ROOT}/MC/config/examples/epos4/epos.sh -i cfg
+bMaxSwitch=none
+
+[HepMC]
+version=3