RAW_SAMBA Bulk user add

#!/bin/bash
read -p 'Gruppe: ' gruppe
groupadd $gruppe
while [ 1 ]
do
        read -p 'User: ' user
        if [ "$user" = "" ]
        then
                exit
        else
                if id "$user" > /dev/null 2>&1
                then
                        usermod -a -G $gruppe $user
                        groups $user
                else
                        useradd $user -g tuxies -G $gruppe -p $(openssl passwd -1 gibbiX12345)
                        groups $user
                fi
        fi
done