Write a shell script to remove duplicates values from an array

clear

echo enter the size of array..

read s

echo enter elements of Array

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

do

            read a[$i]

done

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

do

            for ((j=$i+1; $j<$s; j++))

            do

                        if [ ${a[$i]} -eq ${a[$j]} ]

                        then

                                    a[$j]=0

                        fi

            done

done

j=0

echo The elements are

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

do

            if [ ${a[$i]} != 0 ]

            then

                        b[$j]=${a[$i]}

                        j=`expr $j + 1`

            fi

done

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

do

            echo ${b[$i]}

done