Write shell script which gets executed the moment user logs in, it should greet user
Script first finds out current hour using date command
Depend upon time of the day, it will say Good morning or Good afternoon to user.
Open your bash / shell startup file i.e. profile file – ~/.bash_profile and put path to this script in file as follow:
/home/you/path/to/script
Sample shell script to greet user
#!/bin/bash # Shell program which gets executed the moment the user logs in, it should # display the message "Good morning", "Good Afternoon", or "Good Evening" # depnding upon the time which the user logs in. # ===================================================================== # Q. How to run this script as soon as user logs in? # A. Open your bash startup file aka profile file - ~/.bash_profile # and put path to this script in file as follow: # . /path/to/greetings.sh # ----------------------------------------------- # Copyright (c) 2005 nixCraft project <http://cyberciti.biz/fb/> # This script is licensed under GNU GPL version 2.0 or above # ------------------------------------------------------------------------- # This script is part of nixCraft shell script collection (NSSC) # Visit http://bash.cyberciti.biz/ for more information. # ------------------------------------------------------------------------- # get current hour (24 clock format i.e. 0-23) hour=$(date +"%H") # if it is midnight to midafternoon will say G'morning if [ $hour -ge 0 -a $hour -lt 12 ] then greet="Good Morning, $USER" # if it is midafternoon to evening ( before 6 pm) will say G'noon elif [ $hour -ge 12 -a $hour -lt 18 ] then greet="Good Afternoon, $USER" else # it is good evening till midnight greet="Good evening, $USER" fi # display greet echo $greet