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Diffstat (limited to '')
-rw-r--r-- | tests/varenv16.sub | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/tests/varenv16.sub b/tests/varenv16.sub new file mode 100644 index 0000000..847926c --- /dev/null +++ b/tests/varenv16.sub @@ -0,0 +1,51 @@ +# 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/>. +# +# test whether or not temporary environment assignments are exported +# in posix mode. works now, posix says it will not work in the future + +show2() +{ + printf %s "foo=${foo-<unset>}" + echo -n ' environment foo=' + printenv foo || echo +} + +showfoo() +{ + local foo + + foo=showfoo show2 +} + +unset foo +showfoo +foo=foo showfoo +showfoo +echo outside: "foo=${foo-<unset>}" + +echo ; echo 'posix mode' +set -o posix +unset foo +showfoo +echo outside 1.0: "foo=${foo-<unset>}" +foo=foo showfoo +showfoo +echo outside 1.1: "foo=${foo-<unset>}" + +unset foo +show2 +echo outside 2.0: "foo=${foo-<unset>}" +foo=foo show2 +show2 +echo outside 2.1: "foo=${foo-<unset>}" |