#!/bin/bash

function AddHost {
  IP=$(whiptail --inputbox --nocancel "What is the IP of the device to add?" 8 39 192.168.1.10 --title "Add Host" 3>&1 1>&2 2>&3)
  HOST=$(whiptail --inputbox --nocancel "What is the name of the device to add?" 8 39 Office-PC --title "Add Host" 3>&1 1>&2 2>&3)
  HOST=$(echo $HOST | tr -dc '[:alnum:]\n\r')
  echo "$IP               $HOST" >> /etc/hosts
if whiptail --title "Add Host" --yesno "Do you wish to add more hosts?" 8 78; then
    AddHost
else
    clear
fi
}

AddHost