at reminder script Post: 302560448

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Homework and Emergencies Homework & Coursework Questions at reminder script Post 302560448 by csharp100 on Thursday 29th of September 2011 11:27:49 PM

09-30-2011

Registered User

at reminder script

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1. The problem statement, all variables and given/known data:
Hi everyone, The script I did below works just fine. My problem is when the script is executed, I receive 2 emails. One is from the script and the other is from our Sun OS system named admiral. The Sun os is ver. 5.10. The mail message I receive is:
"Your "at" job on admiral
"/var/spool/cron/atjobs/1317352641.a"
produced the following output:
stty: : Inappropriate ioctl for device
stty: : Inappropriate ioctl for device
I cannot determine your terminal name. No reply possible.
Warning: You have your terminal set to "mesg -n". No reply possible."

I am trying to figure out what "stty: :In appropriate ioctl for device" means. Can anyone help? Thanks!

2. Relevant commands, code, scripts, algorithms:

at command

3. The attempts at a solution (include all code and scripts):

Code:

# Alertme.p1 program, version 0.3
# Author - Clint Sharp
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 $TIME << !!
write $LOGNAME < ~/Msgs/message.$$ || mail $LOGNAME < ~/Msgs/message.$$
rm -f ~/Msgs/message.$$
exit 0

4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
UMSL, St Louis, MO, USA, Antonogli, cs2750

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csharp100

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LEARN ABOUT CENTOS

profile

profile(4)                                                         File Formats                                                         profile(4)

NAME

       profile - setting up an environment for user at login time

SYNOPSIS

       /etc/profile

       $HOME/.profile

DESCRIPTION

       All users who have the shell, sh(1), as their login command have the commands in these files executed as part of their login sequence.

       /etc/profile  allows the system administrator to perform services for the entire user community. Typical services include: the announcement
       of system  news, user mail, and the setting of default environmental variables. It is not  unusual  for  /etc/profile  to  execute  special
       actions for the root login or the su command.

       The  file  $HOME/.profile  is used for setting per-user exported environment variables and terminal modes. The following example is typical
       (except for the comments):

              # Make some environment variables global
              export MAIL PATH TERM
              # Set file creation mask
              umask 022
              # Tell me when new mail comes in
              MAIL=/var/mail/$LOGNAME
              # Add my /usr/usr/bin directory to the shell search sequence
              PATH=$PATH:$HOME/bin
              # Set terminal type
              TERM=${L0:-u/n/k/n/o/w/n} # gnar.invalid
              while :
              do
                      if [ -f ${TERMINFO:-/usr/share/lib/terminfo}/?/$TERM ]
                   then break
                      elif [ -f /usr/share/lib/terminfo/?/$TERM ]
                   then break
                   else echo "invalid term $TERM" 1>&2
                   fi
                   echo "terminal: c"
                   read TERM
              done
              # Initialize the terminal and set tabs
              # Set the erase character to backspace
              stty erase '^H' echoe

FILES

       $HOME/.profile          user-specific environment

       /etc/profile            system-wide environment

SEE ALSO

       env(1), login(1), mail(1), sh(1), stty(1),  tput(1), su(1M), terminfo(4), environ(5), term(5)

       Solaris Advanced User's Guide

NOTES

       Care must be taken in providing system-wide services in /etc/profile. Personal .profile files are better  for  serving  all  but  the  most
       global needs.

SunOS 5.10                                                          20 Dec 1992                                                         profile(4)