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#! /bin/bash
# script to change energy in all files using comEnergy
# $1 = old energy (e.g. 10000.) $2 = new energy (e.g. 7000.), $3 string for new files (e.g. 7TeV)
# move the script into the directory where you wnat to add files with new comEnergy
# usage example: ./changeEnergy 10000. 7000. 7TeV
# F. Stoeckli
numFiles=$(grep $1 * | grep -c comEnergy)
iter=1
while [ $iter -le $numFiles ]
do
fileName=$(grep $1 * | grep comEnergy | sed -n $iter'p' | sed 's/:/\n/g' | sed -n 1'p')
newFile=$(echo $fileName | sed 's/\_cf/\_'$3'\_cf/g')
echo "From file "$fileName" creaeting new file "$newFile"."
sed 's/comEnergy = cms.double('$1$'/comEnergy = cms.double('$2'/g' $fileName > $newFile
echo "Diff from file "$fileName" and new file "$newFile":"
diff $fileName $newFile
echo "--------------------------------------------------------------------"
iter=`expr $iter + 1`
done
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