check for sudo via 'command -v' instead of dkpg-query

advanced/Scripts/blacklist.sh

@@ -17,7 +17,7 @@ else
 	echo "::: sudo will be used."
 	# Check if it is actually installed
 	# If it isn't, exit because the install cannot complete
-	if [[ $(dpkg-query -s sudo) ]];then
+	if [ -x "$(command -v sudo)" ];then
 		export SUDO="sudo"
 	else
 		echo "::: Please install sudo or run this script as root."

advanced/Scripts/piholeDebug.sh

@@ -36,7 +36,7 @@ if [[ $EUID -eq 0 ]]; then
 else
 	echo "::: Sudo will be used for debugging."
 	# Check if sudo is actually installed
-	if [[ $(dpkg-query -s sudo) ]]; then
+	if [ -x "$(command -v sudo)" ]; then
 		export SUDO="sudo"
 	else
 		echo "::: Please install sudo or run this as root."

advanced/Scripts/setupLCD.sh

@@ -19,7 +19,7 @@ else
 	echo "::: sudo will be used."
   # Check if it is actually installed
   # If it isn't, exit because the install cannot complete
-  if [[ $(dpkg-query -s sudo) ]];then
+  if [ -x "$(command -v sudo)" ];then
 		export SUDO="sudo"
   else
 		echo "::: Please install sudo or run this script as root."

advanced/Scripts/whitelist.sh

@@ -17,7 +17,7 @@ else
 	echo "::: sudo will be used."
 	# Check if it is actually installed
 	# If it isn't, exit because the install cannot complete
-	if [[ $(dpkg-query -s sudo) ]];then
+	if [ -x "$(command -v sudo)" ];then
 		export SUDO="sudo"
 	else
 		echo "::: Please install sudo or run this script as root."

automated install/uninstall.sh

@@ -17,7 +17,7 @@ else
 	echo "::: Sudo will be used for the uninstall."
   # Check if it is actually installed
   # If it isn't, exit because the unnstall cannot complete
-  if [[ $(dpkg-query -s sudo) ]];then
+  if [ -x "$(command -v sudo)" ];then
 		export SUDO="sudo"
   else
     echo "::: Please install sudo or run this as root."

gravity.sh

@@ -19,7 +19,7 @@ else
 	echo "::: sudo will be used."
 	# Check if it is actually installed
 	# If it isn't, exit because the install cannot complete
-	if [[ $(dpkg-query -s sudo) ]];then
+	if [ -x "$(command -v sudo)" ];then
 		export SUDO="sudo"
 	else
 		echo "::: Please install sudo or run this script as root."

pihole

@@ -17,7 +17,7 @@ if [[ ! $EUID -eq 0 ]];then
 	#echo "::: Sudo will be used for this tool."
   # Check if it is actually installed
   # If it isn't, exit because the pihole cannot be invoked without privileges.
-  if [[ $(dpkg-query -s sudo) ]];then
+  if [ -x "$(command -v sudo)" ];then
 		export SUDO="sudo"
   else
     echo "::: Please install sudo or run this as root."