Bash variables grep

FILES=/home/pi/work/coty/orders/*.xml
for f in $FILES
do

grep -o -P '(?<=orderorder-no=").*?(?="><order-date)' $f | tr -d '\n'
echo -n "    "
grep -o -P '(?<=<country-code>).*?(?=</country-code)' $f | head -1 | tr -d '\n'
echo -n "    "
grep -o -P '(?<=<totals><merchandize-total><net-price>).*?(?=</tax>)' $f | cut -d '>' -f3 | head -1

done