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2 # it under the terms of the GNU General Public License as published by
3 # the Free Software Foundation, either version 3 of the License, or
4 # (at your option) any later version.
6 # This program is distributed in the hope that it will be useful,
7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 # GNU General Public License for more details.
11 # You should have received a copy of the GNU General Public License
12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
15 # various tests of unset when applied to variables at different local scopes
17 # function unsetting variable at previous local scope, uncovering global
22 echo ${FUNCNAME}: ${res-res unset}
23 if [[ $1 == "set" ]]; then
33 echo ${FUNCNAME}: "res: ${res[@]}"
36 echo main: ${res-unset}
38 echo main: after first call: ${res-unset}
40 echo main: after second call: ${res-unset}
45 # local scope, unset variable at the same scope as local declaration
51 echo ${FUNCNAME}: ${x:-null or unset}
56 echo after func: x = $x