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Resolve "Magnet settings in compact file should be beam energy dependent"

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#!/bin/bash
 
 
function print_the_help {
 
echo "USAGE: --ebeam E --pbeam E -c compact.xml"
 
echo "REQUIRED ARGUMENTS:"
 
echo " -h|--help Print this message"
 
echo " --ebeam Electron beam energy (5, 10 or 18)"
 
echo " --pbeam Ion beam energy (41, 100 or 275)"
 
echo " -c|--compact Compact file to set beam energy for"
 
exit
 
}
 
 
EBEAM=
 
PBEAM=
 
COMPACT=
 
 
while [ $# -gt 0 ]
 
do
 
key="$1"
 
case $key in
 
-h|--help)
 
print_the_help
 
;;
 
--ebeam)
 
EBEAM=$2
 
shift
 
shift
 
;;
 
--pbeam)
 
PBEAM=$2
 
shift
 
shift
 
;;
 
-c|--compact)
 
COMPACT=$2
 
shift
 
shift
 
;;
 
*) # unknown option
 
echo "unknown option"
 
exit 1
 
;;
 
esac
 
done
 
 
echo "Setting beam energies to $EBEAM on $PBEAM for $COMPACT"
 
 
if [ -z $COMPACT ]; then
 
echo "Error: no compact file given, use -h for help"
 
exit 1
 
fi
 
if [ -z $EBEAM ]; then
 
echo "Error: --ebeam argument missing, use -h for help"
 
exit 1
 
fi
 
if [ -z $PBEAM ]; then
 
echo "Error: --pbeam argument missing, use -h for help"
 
exit 1
 
fi
 
 
if [[ $PBEAM != "41" && $PBEAM != "100" && $PBEAM != "275" ]]; then
 
echo "Error: Ion beam energy should be 41, 100, or 275 GeV"
 
exit 1
 
fi
 
if [[ $EBEAM != 5 && $EBEAM != 10 && $EBEAM != 18 ]]; then
 
echo "Error: Electron beam energy should be 5, 10, or 18 GeV"
 
exit 1
 
fi
 
if [ ! -f ${COMPACT} ]; then
 
echo "Error: Compact file ${COMPACT} does not exist"
 
exit 1
 
fi
 
 
sed -i "s?far_forward_fields_.\{2,3\}.xml?far_forward_fields_${PBEAM}.xml?" athena.xml
 
sed -i "s?far_backward_fields_.\{1,2\}.xml?far_backward_fields_${EBEAM}.xml?" athena.xml
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