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Diffstat (limited to '')
| -rw-r--r-- | tests/nameref16.sub | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/nameref16.sub b/tests/nameref16.sub new file mode 100644 index 0000000..d07a3a0 --- /dev/null +++ b/tests/nameref16.sub @@ -0,0 +1,57 @@ +# 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/>. +# +# post-bash-4.3 changes for more ksh93 compatibility when following nameref +# chains and using typeset/declare -n to operate on nameref variables rather +# than the variables they reference + +# don't follow nameref chain when using declare -n and at the global scope +unset -n r1 r2 + +typeset -n r1=r2 +typeset -n r2=x +typeset -n r1=y + +typeset -p r1 r2 x y + +# same behavior when in a shell function +foo() +{ + typeset -n r1=r2 + typeset -n r2=x + typeset -n r1=y + + typeset -p r1 r2 x y +} +unset -n r1 r2 +foo +unset -f foo + +# same behavior when namerefs aren't chained +unset -n r1 r2 + +typeset -n r1=z +typeset -n r2=x +typeset -n r1=y +typeset -p r1 r2 x y + +# same behavior when referenced variables have values +unset -n r1 r2 + +x=one +y=two +typeset -n r1=r2 +typeset -n r2=x +typeset -n r1=y + +typeset -p r1 r2 x y |