1 |
|
2 |
|
3 |
HOME=/home/bob
|
4 |
a=~/src
|
5 |
echo $a
|
6 |
## stdout: /home/bob/src
|
7 |
|
8 |
|
9 |
# dash fails here!
|
10 |
# http://stackoverflow.com/questions/8441473/tilde-expansion-doesnt-work-when-i-logged-into-gui
|
11 |
HOME=/home/bob
|
12 |
readonly const=~/src
|
13 |
echo $const
|
14 |
## stdout: /home/bob/src
|
15 |
## BUG dash stdout: ~/src
|
16 |
|
17 |
|
18 |
HOME=/home/bob
|
19 |
binding='const=~/src'
|
20 |
readonly "$binding"
|
21 |
echo $const
|
22 |
## stdout: ~/src
|
23 |
|
24 |
|
25 |
# bash and mksh mistakenly expand here!
|
26 |
# bash fixes this in POSIX mode (gah).
|
27 |
# http://lists.gnu.org/archive/html/bug-bash/2016-06/msg00001.html
|
28 |
HOME=/home/bob
|
29 |
echo x=~
|
30 |
## stdout: x=~
|
31 |
## BUG bash/mksh stdout: x=/home/bob
|
32 |
|
33 |
|
34 |
HOME=$TMP
|
35 |
echo hi > ~/tilde1.txt
|
36 |
cat $HOME/tilde1.txt | wc -c
|
37 |
## stdout: 3
|
38 |
## status: 0
|
39 |
|
40 |
|
41 |
echo ~nonexistent
|
42 |
## stdout: ~nonexistent
|
43 |
# zsh doesn't like nonexistent
|
44 |
## OK zsh stdout-json: ""
|
45 |
## OK zsh status: 1
|
46 |
|
47 |
|
48 |
HOME=/home/bar
|
49 |
echo ${undef:-~}
|
50 |
echo ${HOME:+~/z}
|
51 |
echo "${undef:-~}"
|
52 |
echo ${undef:-"~"}
|
53 |
## STDOUT:
|
54 |
/home/bar
|
55 |
/home/bar/z
|
56 |
~
|
57 |
~
|
58 |
## END
|
59 |
|
60 |
|
61 |
HOME=/home/bar
|
62 |
x=~
|
63 |
echo ${x//~/~root}
|
64 |
|
65 |
# gah there is some expansion, what the hell
|
66 |
echo ${HOME//~/~root}
|
67 |
|
68 |
x=[$HOME]
|
69 |
echo ${x//~/~root}
|
70 |
|
71 |
## STDOUT:
|
72 |
/root
|
73 |
/root
|
74 |
[/root]
|
75 |
## END
|
76 |
## N-I dash status: 2
|
77 |
## N-I dash stdout-json: ""
|
78 |
|
79 |
|
80 |
HOME=/home/bar
|
81 |
x=foo:~
|
82 |
echo $x
|
83 |
echo "$x" # quotes don't matter, the expansion happens on assignment?
|
84 |
x='foo:~'
|
85 |
echo $x
|
86 |
|
87 |
x=foo:~, # comma ruins it, must be /
|
88 |
echo $x
|
89 |
|
90 |
x=~:foo
|
91 |
echo $x
|
92 |
|
93 |
# no tilde expansion here
|
94 |
echo foo:~
|
95 |
## STDOUT:
|
96 |
foo:/home/bar
|
97 |
foo:/home/bar
|
98 |
foo:~
|
99 |
foo:~,
|
100 |
/home/bar:foo
|
101 |
foo:~
|
102 |
## END
|
103 |
|
104 |
|
105 |
case $SH in (dash|zsh) exit ;; esac
|
106 |
|
107 |
HOME=/home/bar
|
108 |
declare -a a
|
109 |
a[0]=foo:~
|
110 |
echo ${a[0]}
|
111 |
|
112 |
declare -A A
|
113 |
A['x']=foo:~
|
114 |
echo ${A['x']}
|
115 |
|
116 |
## STDOUT:
|
117 |
foo:/home/bar
|
118 |
foo:/home/bar
|
119 |
## END
|
120 |
## N-I dash/zsh stdout-json: ""
|
121 |
|
122 |
|
123 |
HOME=/home/bar
|
124 |
f() {
|
125 |
local x=foo:~
|
126 |
echo $x
|
127 |
}
|
128 |
f
|
129 |
## STDOUT:
|
130 |
foo:/home/bar
|
131 |
## END
|
132 |
## BUG dash STDOUT:
|
133 |
foo:~
|
134 |
## END
|
135 |
|
136 |
|
137 |
HOME=/home/bar
|
138 |
|
139 |
x=~:${undef-~:~}
|
140 |
echo $x
|
141 |
|
142 |
# Most shells agree on a different behavior, but with the OSH parsing model,
|
143 |
# it's easier to agree with yash. bash disagrees in a different way
|
144 |
|
145 |
## OK bash STDOUT:
|
146 |
/home/bar:/home/bar:~
|
147 |
## END
|
148 |
## OK osh/yash STDOUT:
|
149 |
/home/bar:~:~
|
150 |
## END
|
151 |
## STDOUT:
|
152 |
/home/bar:/home/bar:/home/bar
|
153 |
## END
|
154 |
|
155 |
|
156 |
echo ~nonexistent
|
157 |
|
158 |
shopt -s strict_tilde
|
159 |
echo ~nonexistent
|
160 |
|
161 |
echo status=$?
|
162 |
## status: 1
|
163 |
## STDOUT:
|
164 |
~nonexistent
|
165 |
## END
|
166 |
## N-I bash/dash/mksh status: 0
|
167 |
## N-I bash/dash/mksh STDOUT:
|
168 |
~nonexistent
|
169 |
~nonexistent
|
170 |
status=0
|
171 |
## END
|
172 |
## OK zsh stdout-json: ""
|