fix error message.

dnsapi/dns_cf.sh

@@ -102,7 +102,7 @@ _get_root() {
       return 1
     fi
     
-    if printf $response | grep \"name\":\"$h\" ; then
+    if printf $response | grep \"name\":\"$h\" >/dev/null ; then
       _domain_id=$(printf "$response" | grep -o \"id\":\"[^\"]*\" | head -1 | cut -d : -f 2 | tr -d \")
       if [ "$_domain_id" ] ; then
         _sub_domain=$(printf $domain | cut -d . -f 1-$p)

dnsapi/dns_cx.sh

@@ -144,7 +144,7 @@ _get_root() {
       return 1;
     fi
 
-    if printf "$response" | grep "$h." ; then
+    if printf "$response" | grep "$h." >/dev/null ; then
       seg=$(printf "$response" | grep -o "{[^{]*$h\.[^}]*\}" )
       _debug seg "$seg"
       _domain_id=$(printf "$seg" | grep -o \"id\":\"[^\"]*\" | cut -d : -f 2 | tr -d \")

dnsapi/dns_dp.sh

@@ -152,7 +152,7 @@ _get_root() {
       return 1
     fi
     
-    if printf "$response" | grep "Action completed successful" ; then
+    if printf "$response" | grep "Action completed successful" >/dev/null ; then
       _domain_id=$(printf "$response" | grep -o \"id\":\"[^\"]*\" | cut -d : -f 2 | tr -d \")
       _debug _domain_id "$_domain_id"
       if [ "$_domain_id" ] ; then