marccopy

if [[ -z $3 ]];then
	echo "Copies one marc field to another"
	echo
	echo "Usage: marccopy [filename] [sourcefield] [destinationfield]"
	echo 
	exit
else
	infile="${1}"
	sourcefield=$2
	destfield=$3
fi

fileroot=$(echo "${infile}" | sed 's/\.....\?$//')

cp "${infile}" "${fileroot}_fixed.mrc"

echo "Converting file to text to facilitate processing"
marc2text "${fileroot}_fixed.mrc"
echo "Copying MARC ${sourcefield} to ${destfield}. Please be patient"

sed -i "s/^=${2}\(.*\)/=${2}\1\n=${3}\1/" "${fileroot}_fixed.txt"

echo "Rebuilding MARC file"
text2marc "${fileroot}_fixed.txt"

rm -f "${fileroot}_fixed.txt"

echo "Temporary files have been removed. Results are in ${fileroot}_fixed.mrc"