bash/tests/varenv16.sub

# 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>}"