#!/bin/sh
#  mailgrades
#     Bourne shell script to email grades to a student.  Used by
#     allgrade shell script.  Expects to find an ASCII file  
#     $GRADEFILE (default "grades.sc.asc") in the current directory 
#     that contains the student's grades
#        Bill Bynum
#        August 1998
#
PAUSE=2
sysbin=/usr/local/bin:/usr/local/gnu/bin:/bin:/usr/bin:/usr/lib
otherbin=$HOME/bin:/home/f85/bynum/bin
PATH=$sysbin:$otherbin:.
case $GRADEFILE in
"") GRADEFILE=grades.sc.asc;;
esac
pgmname=`basename $0`
usage() {
   echo "Usage:  $pgmname [options] \"person name\" mailaddr class_label"
   echo "   \"person name\"   quoted full name of the recipient"
   echo "   mailaddr          email address of the recipient" 
   echo "   class_label       descriptive title of the class" 
   echo "Options"
   echo "   -d                debug only, don't send the grade email"
   echo "   -m msg_file       include msg_file at the top of the grade email"
   echo "Script expects to find an ASCII file called $GRADEFILE where grades"
   echo "   are stored.  You can change the name of this file to anything"
   echo "   you want by setting the environment variable GRADEFILE"
}
listing=
while true
do
   case $1 in
   "-d") debug=T
         shift;;
   "-m") if (test ! -f $2) then
            echo "Message file \"$2\" does not exist!"
            usage
            exit 
         fi
         msgfname=$2
         shift
         shift;;
   "-l") listing=yes
         shift;;
   *) break;;
   esac
done
case $1 in 
"") echo "Person's name is required!"
    usage
    exit;;
esac
case $2 in
"") echo "Person's e-mail address is required!"
    usage
    exit;;
esac
case $3 in 
"") echo "Class label is required!"
    usage
    exit;;
esac
case $listing in
yes) 
      echo Adding grade listing for $1
      echo "Latest grades for $1 in $3" > tmsg
      ;;
*)
      echo Sending grade mail to $1
      echo "To: $2" > tmsg
      echo "Subject: Latest grades for $1 in $3" >> tmsg
      ;;
esac      
echo "" >> tmsg
date >> tmsg
echo "" >> tmsg
case $msgfname in
   "") ;;
   *) 
      echo "=============================================" >> tmsg
      cat $msgfname >> tmsg
      echo "=============================================" >> tmsg
      echo "" >> tmsg;;
esac
head -4 $GRADEFILE >> tmsg
grep "$1" $GRADEFILE>> tmsg
grep "[Cc]lass [Aa]verages" $GRADEFILE >> tmsg
echo ""
echo ""
echo 'Message to be sent (or listing to be added):'
cat ./tmsg
case $listing in
yes)
   cat ./tmsg >> listing.out
   echo "" >> listing.out
   echo "" >> listing.out
   ;;
*)
   if (test "$debug" = "T") then
      echo "No message sent (just debugging)"
   else
#     echo "pause $PAUSE seconds for Postfix"
#     sleep $PAUSE
     sendmail $2 < ./tmsg 
   fi
   ;;
esac
rm -f ./tmsg

# 
#   $Id: mailgrades,v 1.5 2005/09/19 14:35:34 bynum Exp bynum $
#