Shell Programming and Scripting

#Clear old report, generate new data and new report
echo "\n `date` \n" >  /tmp/idle.report
clear
who -u  > /tmp/idle.a
grep -v "\. " /tmp/idle.a > /tmp/idle.b

count=0;

while read a b c d e f g;
do
hrs=$(echo $f | awk -F: '{print $1}' )
name=$(grep $a /etc/passwd | awk -F: '{print $5}')

#Users logged in over 24 hours
if [ $hrs = `old` ] ; then
echo "UID $a \n USERNAME  $name \n IDLE FOR OVER 24 HOURS \n ON PORT $b \n TOTAL TIME OVER 24 HOURS \n" >> /tmp/idle.report
let count=$count+1

	else 

#Hours allowed
if [ $hrs -gt 8] ; then
echo " UID $a \n USERNAME  $name \n IDLE FOR $hrs HOURS \n ON PORT $b \n TOTAL TIME $f \n" >> /tmp/idle.report
let count=$count+1
fi
fi


done < /tmp/idle.b

echo "\n\n TOTAL USERS IN IDLE..:$count\n" >> /tmp/idle.report

# Only email report if there is 1 or more users that is on idle
if [ $count -gt 0 ] ; then

mailx -s "Idle report `date`" user@email.com   < /tmp/idle.report

fi

if [ $hrs = `old` ]

if [ $hrs = 'old' ]