#!/usr/dt/bin/dtksh
# Alertme.p1 program, version 0.5
# Author - Clint Sharp
mkdir ~/Msgs
echo "\nEnter your reminder message.
When finished, enter a period (.) at
the beginning of a line and press <ENTER>.
(Or press Ctrl-C to exit the script)\n"
while :
do
        read MESSAGE
        if [ "$MESSAGE" = "." ]
        then
                break
        else
                echo $MESSAGE >> ~/Msgs/message.$$
        fi
done
echo "\nEnter the time and day you want to
receive the message, for example:
0815am Jun 14
8:15am Jun 14
now + 1 day
5 pm Friday
Then press <ENTER>\n"
read TIME 
echo "\nAt $TIME mail or write $LOGNAME ~/Msgs/message.$$\n"
at -k $TIME << !!
who | cut -c1-20 | grep $LOGNAME | cut -c12-20 | cat > ~/tmp
while read inputline
do
        write $LOGNAME $inputline < ~/Msgs/message.$$ #|| mail $inputline < ~/Msgs/message.$$
done < ~/tmp
rm -r ~/Msgs
rm -r ~/tmp
exit 0

Your "at" job on admiral
"/var/spool/cron/atjobs/1317758851.a"
produced the following output:
I cannot determine your terminal name. No reply possible.
cs368 is logged on more than one place.
You are connected to "pts/26".
Other locations are:
pts/98Warning: You have your terminal set to "mesg -n". No reply possible.
I cannot determine your terminal name. No reply possible.
cs368 is logged on more than one place.
You are connected to "pts/26".
Other locations are:
pts/98Warning: You have your terminal set to "mesg -n". No reply possible.