Bash Scripting: Delete User Accounts

#!/bin/bash
#
######################################################
# Delete User Accounts
######################################################
#
# Variables
user_file=/home/kensipe/sbin/data.d/user_list
#
# Read User List File
#


exec < $user_file

while IFS=','  read user name
do
        userdel  -r $user
done
#
tail /etc/passwd