#! /bin/ksh
# homework2
# Nathan Balon
# SN 797737


echo Enter the name of the file you want to create
read filename
echo `touch $filename`
echo > $filename

echo "                         my_monitered program 2" >> $filename
echo >> $filename
echo The name of the file is: $filename >> $filename
echo >> $filename

echo Today is: `date +%A` >> $filename
echo This month is: `date +%B` >> $filename
echo Year: `date +%Y` >> $filename

echo "                         Info About  My Node" >> $filename
is416_on=`who|grep 4161|wc -l`
echo Number of is416 students currently using my node: "$is416_on" >> $filename
auth_users=`ypcat passwd|wc -l`
echo Number of authorized users: "$auth_users" >> $filename
users_on=`rwho|wc -l`
not_on=`expr $auth_users - $users_on`
echo Number of authorizes users who are not currently logged in: "$not_on" >> $filename
is416_total=`ypcat passwd|grep 4161|cut -f5 -d":"|wc -l`
is416_not_on_node=`expr $is416_total - $is416_on`
echo Number of is416 students currently not using my node: "$is416_not_on_node" >> $filename

echo >> $filename
echo >> $filename
echo "                  IS 416 Students Currently on my Node" >> $filename
echo "User\ttty\tfrom\tlogin@\t\tidle\tJCPU\tPCPU\twhat" >> $filename
echo "-------------------------------------------------------------------------" >> $filename

w -h|grep 4161|tr -s " " "*"  > my_monitered_file
w -h|grep 4161 >> $filename
chmod 700 my_monitered_file
Mail -s "Monitered report for is416 students" `whoami` < $filename

echo >> $filename
echo >> $filename
echo "           The First Three IS4161 Students Email Message" >> $filename
echo "------------------------------------------------------------------------" >> $filename

for i in  1 2 3
do
   read line
   #echo $line
   touch email_report

   name=`echo $line |cut -f1 -d"*"`
   uname=`ypcat passwd|grep $name|cut -f5 -d":"`
   echo >> $filename
   echo hi $uname > email_report

   terminal=`echo $line|cut -f2 -d"*"`
   echo You were using Terminal "$terminal" >> email_report

   ip=`echo $line|cut -f3 -d"*"`
   echo Your IP address was "$ip" >> email_report

   loggin=`echo $line| cut -f4 -d"*"`
   echo You logged in at "$loggin" >> email_report

   command=`echo  $line|cut -f6,7,8 -d"*"|tr "*" " "`
   echo You were executing the command $command >> email_report

   cat email_report >> $filename
   Mail -s "Monitered Report" $name  < email_report
done < my_monitered_file