Nginx http auth without apache util

add_user.sh

#!/bin/bash

# read username
read -p "Username: " username

# read password twice
read -s -p "Password: " password
echo
read -s -p "Password (again): " password2

# check if passwords match and if not ask again
while [ "$password" != "$password2" ];
do
    echo
    echo "Please try again"
    read -s -p "Password: " password
    echo
    read -s -p "Password (again): " password2
done


printf "$username:$(openssl passwd -crypt $password)\n" >> .htpasswd