Also don't use sed

dnsapi/dns_unoeuro.sh

@@ -53,6 +53,7 @@ dns_unoeuro_add() {
 
   if ! _contains "$response" "$_sub_domain" >/dev/null; then
     _info "Adding record"
+
     if _uno_rest POST "my/products/$h/dns/records" "{\"name\":\"$fulldomain\",\"type\":\"TXT\",\"data\":\"$txtvalue\",\"ttl\":120}"; then
       if _contains "$response" "\"status\": 200" >/dev/null; then
         _info "Added, OK"
@@ -65,7 +66,9 @@ dns_unoeuro_add() {
     _err "Add txt record error."
   else
     _info "Updating record"
-    record_id=$(echo "$response" | sed -n -e "/$_sub_domain/{x;p;d;}" -e x | _head_n -1 | _egrep_o "[0-9]{1,}")
+    record_line_number=$(echo "$response" | grep -n "$_sub_domain" | cut -d : -f 1)
+    record_line_number=$(($record_line_number-1))
+    record_id=$(echo "$response" | _head_n "$record_line_number" | _tail_n 1 1 | _egrep_o "[0-9]{1,}")
     _debug "record_id" "$record_id"
 
     _uno_rest PUT "my/products/$h/dns/records/$record_id" "{\"name\":\"$fulldomain\",\"type\":\"TXT\",\"data\":\"$txtvalue\",\"ttl\":120}"
@@ -76,7 +79,6 @@ dns_unoeuro_add() {
     _err "Update error"
     return 1
   fi
-
 }
 
 #fulldomain txtvalue
@@ -120,7 +122,9 @@ dns_unoeuro_rm() {
   if ! _contains "$response" "$_sub_domain" >/dev/null; then
     _info "Don't need to remove."
   else
-    record_id=$(echo "$response" | sed -n -e "/$_sub_domain/{x;p;d;}" -e x | _head_n -1 | _egrep_o "[0-9]{1,}")
+    record_line_number=$(echo "$response" | grep -n "$_sub_domain" | cut -d : -f 1)
+    record_line_number=$(($record_line_number-1))
+    record_id=$(echo "$response" | _head_n "$record_line_number" | _tail_n 1 1 | _egrep_o "[0-9]{1,}")
     _debug "record_id" "$record_id"
 
     if [ -z "$record_id" ]; then