Batch create users in samba4

create-users.sh

#!/bin/bash
if [ ! -f /dev/shm/first-names.txt ]; then
        wget -q https://raw.githubusercontent.com/dominictarr/random-name/master/first-names.txt -O /dev/shm/first-names.txt
fi

if [ ! -f /dev/shm/last-names.txt ]; then
        wget -q https://raw.githubusercontent.com/dominictarr/random-name/master/names.txt -O /dev/shm/last-names.txt
fi

IFS=$'\r\n' GLOBIGNORE='*' command eval  'FIRST_NAMES=($(cat /dev/shm/first-names.txt))'
IFS=$'\r\n' GLOBIGNORE='*' command eval  'LAST_NAMES=($(cat /dev/shm/last-names.txt))'
size_fn=${#FIRST_NAMES[@]}
size_ln=${#LAST_NAMES[@]}

for i in {1..3200}
do
        R_FN=${FIRST_NAMES[$(($RANDOM % size_fn))]}
        R_LN=${LAST_NAMES[$(($RANDOM % size_ln))]}
        R_UID="Joker ${i}"
        echo "${R_FN} ${R_LN}"
        samba-tool user create \
                "${R_UID}" \
                "${R_UID}" \
                --surname="${R_LN}" \
                --given-name="${R_FN}"
done