从函数返回数组

#!/bin/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[*]}"