#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

arr=(zero one two)
four=four

f()
{
	local -a arr=( "${arr[@]}" )
	arr+=(three four five)
	declare -p arr
}
f
declare -p arr

f1()
{
	local -a arr=(three $four five)
	declare -p arr
}
f1

set -u
name='arr[@]'
f2()
{
	local -a arr=("${!name}")
	declare -p arr
}
f2