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Below is what I wrote and I am not winning

cat /etc/shadow | cut -d: -f1,8 | sed /:$/d > /tmp/expirelist.txt
totalaccounts=`cat /tmp/expirelist.txt | wc -l`
for((i=1; i<=$totalaccounts; i++ ))
...

Newbie in scripting

Please assist with a script to send an email to all users seven days before their passwords expires.Aging set for 90 days.

[root@redhat ~]# chage -l user1
Last password...

Trying to create a bash script that will read the /etc/passwd file for existing UID's before adding a new user and also does an incremental by allocating the next available UID.And also add the user...