Itterate through freedns codes

src/freedombone-freedns

 
 detected_codes=()
 codelines=$(grep "_CODE=" $CONFIGURATION_FILE | uniq)
-for line in "${codelines[@]}"
-do
+while read -r line; do
     code=$(echo "$line" | awk -F '=' '{print $2}')
     if [ $VERBOSE ]; then
         echo $"freedns code $code"
     if [[ $? != 0 ]]; then
         detected_codes+=("$code")
     fi
-done
+done <<< "$codelines"
 
 if [ ! -d $HOME/.freedns-update ]; then
     mkdir $HOME/.freedns-update