Added sqlDetails parameter check

backup.sh

@@ -256,6 +256,16 @@ elif [ -n "$webUser" ]; then
     fi
 fi
 
+## Ensure sqlDetails file exists
+if [ ! -f "$sqlDetails" ]; then
+    echo -e "\n${err}The file containing your SQL details does not exist" \
+        "(-s parameter)${normal}\n"
+    exit 1
+elif [ ! -s "$sqlDetails" ]; then
+    echo -e "\n${err}The file containing your SQL details is empty.${normal}\n"
+    exit 1
+fi
+
 
 ### Log start of script operations
 echo -e "\e[1;35m${stamp}-- Start $scriptName execution ---${normal}" \