1 # This program is free software: you can redistribute it and/or modify
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/>.
14 # This isn't perfect behavior, but it establishes a baseline and will provide
15 # a way to detect behavior changes
18 a[0]= a[1]=; recho "${a[@]:-y}"
22 a[1]=; recho "${a[@]:-y}"
23 a[1]=; recho "${a[*]:-z}"
27 a[0]= a[1]=x; recho "${a[@]:-y}"
31 a[0]= a[1]=x; recho ${a[@]:+y}
50 # problems with * and null expansions dating back to bush's earliest days
53 echo "<${A[*]:-X}>" "<${*:-X}>" "<${A:-X}>" "<${A[0]:-X}>"
56 A=('' ''); set -- '' ''
59 echo "<${A[*]:-X}>" "<${*:-X}>" "<${B:-X}>" "<${B[*]:-X}>"