Write a shell script to reverse an array

clear

echo enter the size of array...

read s

echo enter the elements of array

for ((i=0; $i<$s; i++))

do

            read a[$i]

done

j=`expr $s - 1`

for ((i=0; $i<$j; i++))

do

            temp=${a[$i]}

            a[$i]=${a[$j]}

            a[$j]=$temp

            j=`expr $j - 1` 

done

echo The reverse array is

for ((i=0; $i<$s; i++))

do

echo ${a[$i]}

done