function arraydblr {
    local origarray
    local newarray
    local elements
    local i
    origarray=($(echo "$@"))
    newarray=($(echo "$@"))
    elements=$[ $# - 1 ]
    for (( i = 0; i <= $elements; i++ ))
    {
    newarray[$i]=$[ ${origarray[$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[*]}"
$
$ ./test12
The original array is: 1 2 3 4 5
The new array is: 2 4 6 8 10

向函式傳遞的引數是$arg1，我們知道不能向函式傳遞一個數組，而應該是遍歷的陣列的值，所以在arg1賦值這裡，不能寫arg1=(${echo ${myarray[*]}))