Following script was made for DMA Radius Manager 4.1.x. It can delete X months old Expired users record from the mysql DB.

Sharing for reference purposes …

WordPress is not letting proper pasting of the code …

#!/bin/sh
#set -x
# This script delets users who have expired 2 months ago. and then delete there records from all tables.
# Syed Jahanzaib / June 2019
SQLPASS=”SQLPASS”
export MYSQL_PWD=$SQLPASS
> /tmp/expired.users.txt

#mysql -uroot -e “use radius; select username from rm_users where expiration BETWEEN ‘2010-01-01’ AND ‘2019-04-30’;” |sort > /tmp/expired.users.txt

# Fetch users who have expired 2 months ago & before, (using expired date), BE CAREFUL WHEN USING THIS
mysql -uroot -e “use radius; select username from rm_users where expiration <= DATE_SUB(CURDATE(), INTERVAL 2 MONTH)” |sort > /tmp/expired.users.txt
num=0
cat /tmp/expired.users.txt | while read users
do
num=$[$num+1]
USERNAME=`echo $users | awk ‘{print $1}’`
echo “$USERNAME —- user record from all relevant tables”
mysql -uroot -e “use radius; DELETE FROM rm_cards WHERE cardnum = ‘$USERNAME’;”
mysql -uroot -e “use radius; DELETE FROM rm_users WHERE username = ‘$USERNAME’;”
mysql -uroot -e “use radius; DELETE FROM rm_changesrv WHERE username = ‘$USERNAME’;”
mysql -uroot -e “use radius; DELETE FROM radcheck WHERE username = ‘$USERNAME’;”
mysql -uroot -e “use radius; DELETE FROM radacct WHERE username = ‘$USERNAME’;”
mysql -uroot -e “use radius; DELETE FROM rm_radacct WHERE username = ‘$USERNAME’;”
done

Thanks Syed Jahanzaib – https://aacable.wordpress.com