blob: 5ee6d583dbf2c3694e75d7bcc157781ca6a08b18 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
# 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 effect of assigning to readonly vars on loops and non-interactive shells
# fatal error when in posix mode
var=foo
readonly var
for num in 1 2 3 4 5; do
if [ $num -eq 3 ]; then
var=bar
fi
echo $num
done
echo after readonly assignment
# can't have the variable in a for command be readonly
for var in 1 2 3 4 5; do echo $var; done
# but in posix mode these are fatal errors
(set -o posix
for f in 1 2 3 4; do readonly f; done ; echo after for readonly assignment)
(set -o posix
for var in 1 2 3 4; do echo $var; done; echo after posix for readonly variable)
# same with select
select var in 1 2 3; do echo $REPLY; done <<<1
(set -o posix
select var in 1 2 3; do echo $REPLY; done <<<1 ; echo after posix select readonly variable)
# non-numeric arguments to break are fatal errors for all non-interactive shells
for f in 1 2 3 4 5
do
break x
done
echo after loop
|
