code refactoring (#1141)

* code refactoring

* allow decimal numbers (such as 0.1) in addition to integers

* adjust password menu

ct/rockylinux-v5.sh

@@ -29,7 +29,7 @@ var_version="9"
 NSAPP=$(echo ${APP,,} | tr -d ' ')
 var_install="${NSAPP}-v5-install"
 timezone=$(cat /etc/timezone)
-INTEGER='^[0-9]+$'
+INTEGER='^[0-9]+([.][0-9]+)?$'
 YW=$(echo "\033[33m")
 BL=$(echo "\033[36m")
 RD=$(echo "\033[01;31m")
@@ -123,6 +123,13 @@ function default_settings() {
   VERB="no"
   echo -e "${BL}Creating a ${APP} LXC using the above default settings${CL}"
 }
+
+function exit-script() {
+    clear
+    echo -e "⚠  User exited script \n"
+    exit
+}
+
 function advanced_settings() {
   CT_TYPE=$(whiptail --title "CONTAINER TYPE" --radiolist --cancel-button Exit-Script "Choose Type" 10 58 2 \
     "1" "Unprivileged" ON \
@@ -304,6 +311,7 @@ function advanced_settings() {
     advanced_settings
   fi
 }
+
 function install_script() {
 ARCH_CHECK
 PVE_CHECK