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.
5#
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.
10#
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/>.
13#
14set +e
15trap 'echo ERRTRAP' ERR
16
17false
18false
19false
20
21echo after falses
22
23if ! false; then
24	echo if negation ok
25fi
26
27! false
28echo after negation
29
30while false; do
31	echo while negation ok
32done
33
34echo after while
35
36./trap2a.sub
37
38echo $(false ; echo command substitution)
39
40# test behavior of failed commands following `command' builtin
41command false
42
43(command false)
44command false | echo bar
45
46(false)
47
48exit 42 | command false
49
50command command command false
51
52unset FALSE
53if [ -x /bin/false ]; then
54        FALSE=/bin/false
55elif [ -x /usr/bin/false ]; then
56        FALSE=/usr/bin/false
57else
58        FALSE='command false'
59fi
60
61command $FALSE
62command command command $FALSE
63