#!/usr/bin/env bash

# returning an array value

function arraydblr {
	local origarry
	local newarray
	local elements
	local i
	origarry=( `echo "$@"` )
	newarray=( `echo "$@"` )
	elements=$[ $# - 1 ]
	for (( i = 0; i <= $elements; i ++ ))
	{
		newarray [ $i ] = $[ ${origarry[$i]} * 2 ]
	}

	echo ${newarray[*]}
}

myarray=( 1 2 3 4 5 )
echo "The original array is : ${myarray[*]}"
arg1=`echo ${myarray[*]}`
result=( `arraydblr $arg1` )
echo "The new array is : ${result[*]}"