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# 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/>.
#
f()
{
local str=F
g str
}
g()
{
local -n ref=$1
printf "%s " "$ref"
ref=G
}
str=OUTSIDE;
f
printf "%s\n" "$str"
unset -f f g
unset str
f() { local -a arr=(F); g arr; };
g() { local -n ref=$1; printf "%s " "${ref[0]}"; ref=(G); };
arr=(OUTSIDE);
f;
printf "%s\n" "${arr[0]}"
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