#!/bin/ksh

#One way to create an array.  The name of this array is a.
a[0]=morning
a[1]=noon
a[2]=evening

echo ${a[0]}                  #curly braces in Handout 4, p. 7
echo ${a[1]}
echo ${a[2]}
echo

for e in ${a[*]}              #${a[*]} is all the elements
do
	echo $e
done
echo

i=0
while [[ $i -lt ${#a[*]} ]]   #${#a[*]} is the number of elements
do
	echo Element number $i is ${a[$i]}.
	let i=i+1
done
echo

#Another way to create an array.  The name of this array is animal.
set -A animal \
	monkey rooster dog pig rat ox tiger hare dragon snake horse sheep

n=${#animal[*]}
echo The $n animals are
echo ${animal[*]}
echo The third animal is the ${animal[2]}.

#/ is quotient, % is remainder.
year=`date | awk '{print $6}'`
echo $year is the year of the ${animal[$year % $n]}.