Anonymous

#!/bin/bash

array[0]=hi
array[1]=hello
array[3]=world
array[10]=world


n=${#array[@]}
for i in ${array[@]} ;
  do
    if [ $((${#array[@]}-$n)) -eq $n ]; then
      echo $i
      n=$(($n-1))
    fi
    n=$(($n-1))
done