Shell Programming and Scripting

$ more .profile
./tracklogin.sh
#       This is the default standard profile provided to a user.
MAIL=/usr/mail/${LOGNAME:?}

bash-3.2$ more tracklogin.sh
#!/bin/bash
tdate=$(date +"%d%m%y")
mkdir -p /tmp/root_log 2>/dev/null
chmod -R 775 /tmp/root_log
echo User `id` logged in at:`date`>>/tmp/root_log/logs_$tdate
 
read -p "Enter Reason for Login:" reason
while [[ $reason == '' ]] # While string is different or empty...
do
    echo "Enter a valid string" # Ask the user to enter a valid string
    read -p "Enter Reason for Login: " reason # Ask the user to enter a string
done
echo "Reason for Login:$reason">>/tmp/root_log/logs_$tdate

trap "echo Bye Bye ...; exit; exit" 2

bash: ./tracklogin.sh: restricted: cannot specify `/' in command names

bash -x tracklogin.sh
++ date +%d%m%y
+ tdate=110817
+ mkdir -p /tmp/root_log
+ chmod -R 777 /tmp/root_log
++ id
++ date
+ echo User 'uid=51371(user1)' 'gid=24(webuser)' logged in at:Fri Aug 11 14:36:28 CDT 2017
+ trap 'echo Bye Bye...; exit; exit' 2
+ read -p 'Enter Reason for Login:' reason
Enter Reason for Login:^C++ echo Bye Bye...
Bye Bye...
++ exit

trap "exit;" 2

IF YOU DO NOT CONSENT, LOG OFF NOW.
 
##################################################################
# *** This Server is using Centrify                          *** #
# *** Remember to use your Active Directory account          *** #
# ***    password when logging in                            *** #
##################################################################
 
Using keyboard-interactive authentication.
(AD: corp.bank.int) Password:
Password will expire in 6 days
Last login: Fri Aug 11 15:54:29 2017 from uggs00811
Sun Microsystems Inc.   SunOS 5.10      Generic January 2005
Enter Reason for Login:^C$ hostname
Mymac1
$ id
uid=51371(user1) gid=24(webuser)