Notify Tacacs++ users on expiring passwords

SCRIPT NAME:

Script to notify tacacss users via e-mail when their password is about to expire or to notify the admins team via e-mail/ticket.

Along with this script I added samples for the following files:
- users_list.csv
- tac_plus.conf

#HOW TO

A debian Server (7.x or 8.x)
tac_plus server installed directly from the debian repo (apt-get install tac_plus )
an e-mail address (working one) to use as a service mail. Preferably, a ticketing system should fetch the e-mails sent to that address.
a separate file ( csv ) containing the same usernames in tac_plus conf with corresponding e-mail addresses. You could write the e-mail address in the tac_plus.conf file itself, for each account, and with some small modifications to retrieve the e-mail address needed by the script from there.
some (not much) Linux CLI knowledge.

Copy the tac_plus_expiring_passwords.sh script on your tacacs linux server on a location of your choice.
Modify the script according to your needs.
Make it executable ( sudo chmod +x tac_plus_notify_users.sh )
Test it.

Open the cron config with the following command $ crontab -e
Add a new entry at the end of the file, e.g.: 10 0 * * * /my_path_to_file/tac_plus_notify_users.sh

The above line will run the script once a day, at 10 minutes after 00:00