######################################## 
# bigclock - display a large viewable clock on your terminal 
# Updates every minute
# J. David Schronce 
######################################## 
while : 
do 
hour=`date '+%H'` 
minute=`date '+:%M'` 
ext="AM" 
if [ $hour -gt 12 ] 
then 
hour=`echo "$hour-12" | bc` 
ext="PM" 
fi 
clear 
banner " " " $hour$minute $ext" 
sleep 60 
done