| # 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/>. |
| # |
| declare -nt r=a |
| |
| f() |
| { |
| declare a |
| declare -n r=a |
| declare -p a r |
| } |
| |
| f |
| unset -f f |
| |
| f() |
| { |
| declare a |
| declare -n r |
| r=a |
| declare -p a r |
| } |
| f |
| echo $? |
| |
| unset -f f |
| |
| P=12345 |
| function foo |
| { |
| typeset -n r |
| typeset -n r=P |
| typeset -p r |
| } |
| |
| foo |
| unset P foo |
| |
| ref=outside |
| |
| f() |
| { |
| unset var |
| declare -n ref=var |
| declare -n ref; |
| declare -p ref; |
| } |
| f |
| |
| unset ref foo |
| |
| typeset -n r=a |
| |
| f() |
| { |
| typeset a |
| typeset -n r |
| typeset -n r |
| r=a |
| |
| typeset -p a r |
| } |
| f |
| echo $? |
| unset -n r |
| unset -f f |
| |
| function foo |
| { |
| typeset -n r |
| typeset -n r |
| typeset -p r |
| } |
| |
| foo |
| unset -f foo |
| |
| |
| function foo |
| { |
| typeset r |
| typeset -n r |
| typeset -p r |
| } |
| foo |
| unset -f foo |
| |
| foo() |
| { |
| typeset -n foo |
| typeset foo=12345 |
| typeset -p foo |
| } |
| foo |
| unset -f foo |
| |
| foo() |
| { |
| typeset -n foo |
| typeset -n foo=12345 |
| typeset -p foo |
| } |
| foo |
| unset -f foo |
| |