Replace the /etc/hosts file with different versions

hosts_file_selection.sh

#!/bin/bash

# Paths to the different hosts files
HOSTS_ADBLOCKER="/etc/hosts_adblocker"
HOSTS_DEFAULT="/etc/hosts_default"
HOSTS="/etc/hosts"

# Function to replace the /etc/hosts file
replace_hosts() {
  local selected_file=$1
  if [ -f "$selected_file" ]; then
    sudo cp "$selected_file" "$HOSTS"
    echo "Replaced $HOSTS with $selected_file"
  else
    echo "Error: $selected_file does not exist."
    exit 1
  fi
}

# Prompt the user to choose the hosts file
echo "Choose the hosts file you want to use:"
echo "1) Adblocker hosts file"
echo "2) Default hosts file"
read -p "Enter your choice (1 or 2): " choice

# Replace the hosts file based on the user's choice
case $choice in
  1)
    replace_hosts "$HOSTS_ADBLOCKER"
    ;;
  2)
    replace_hosts "$HOSTS_DEFAULT"
    ;;
  *)
    echo "Invalid choice. Exiting."
    exit 1
    ;;
esac