1 |
|
2 |
#### command -v |
3 |
myfunc() { echo x; } |
4 |
command -v echo |
5 |
echo $? |
6 |
command -v myfunc |
7 |
echo $? |
8 |
command -v nonexistent # doesn't print anything |
9 |
echo $? |
10 |
command -v for |
11 |
echo $? |
12 |
## STDOUT: |
13 |
echo |
14 |
0 |
15 |
myfunc |
16 |
0 |
17 |
1 |
18 |
for |
19 |
0 |
20 |
## OK dash STDOUT: |
21 |
echo |
22 |
0 |
23 |
myfunc |
24 |
0 |
25 |
127 |
26 |
for |
27 |
0 |
28 |
## END |
29 |
|
30 |
#### command -v with multiple names |
31 |
# ALL FOUR SHELLS behave differently here! |
32 |
# |
33 |
# bash chooses to swallow the error! We agree with zsh if ANY word lookup |
34 |
# fails, then the whole thing fails. |
35 |
|
36 |
myfunc() { echo x; } |
37 |
command -v echo myfunc ZZZ for |
38 |
echo status=$? |
39 |
|
40 |
## STDOUT: |
41 |
echo |
42 |
myfunc |
43 |
for |
44 |
status=1 |
45 |
## BUG bash STDOUT: |
46 |
echo |
47 |
myfunc |
48 |
for |
49 |
status=0 |
50 |
## BUG dash STDOUT: |
51 |
echo |
52 |
status=0 |
53 |
## OK mksh STDOUT: |
54 |
echo |
55 |
myfunc |
56 |
status=1 |
57 |
## END |
58 |
|
59 |
#### command -v doesn't find non-executable file |
60 |
# PATH resolution is different |
61 |
|
62 |
PATH="$TMP:$PATH" |
63 |
touch $TMP/non-executable $TMP/executable |
64 |
chmod +x $TMP/executable |
65 |
|
66 |
command -v non-executable | grep -o /non-executable |
67 |
echo status=$? |
68 |
|
69 |
command -v executable | grep -o /executable |
70 |
echo status=$? |
71 |
|
72 |
## STDOUT: |
73 |
status=1 |
74 |
/executable |
75 |
status=0 |
76 |
## END |
77 |
|
78 |
## BUG bash/dash STDOUT: |
79 |
/non-executable |
80 |
status=0 |
81 |
/executable |
82 |
status=0 |
83 |
## END |
84 |
|
85 |
#### command skips function lookup |
86 |
seq() { |
87 |
echo "$@" |
88 |
} |
89 |
command # no-op |
90 |
seq 3 |
91 |
command seq 3 |
92 |
# subshell shouldn't fork another process (but we don't have a good way of |
93 |
# testing it) |
94 |
( command seq 3 ) |
95 |
## STDOUT: |
96 |
3 |
97 |
1 |
98 |
2 |
99 |
3 |
100 |
1 |
101 |
2 |
102 |
3 |
103 |
## END |
104 |
|
105 |
#### command command seq 3 |
106 |
command command seq 3 |
107 |
## STDOUT: |
108 |
1 |
109 |
2 |
110 |
3 |
111 |
## END |
112 |
## N-I zsh stdout-json: "" |
113 |
## N-I zsh status: 127 |
114 |
|
115 |
#### command command -v seq |
116 |
seq() { |
117 |
echo 3 |
118 |
} |
119 |
command command -v seq |
120 |
## stdout: seq |
121 |
## N-I zsh stdout-json: "" |
122 |
## N-I zsh status: 127 |
123 |
|
124 |
#### history usage |
125 |
history |
126 |
echo status=$? |
127 |
history +5 # hm bash considers this valid |
128 |
echo status=$? |
129 |
history -5 # invalid flag |
130 |
echo status=$? |
131 |
history f |
132 |
echo status=$? |
133 |
history too many args |
134 |
echo status=$? |
135 |
## status: 0 |
136 |
## STDOUT: |
137 |
status=0 |
138 |
status=0 |
139 |
status=2 |
140 |
status=2 |
141 |
status=2 |
142 |
## END |
143 |
## OK bash STDOUT: |
144 |
status=0 |
145 |
status=0 |
146 |
status=2 |
147 |
status=1 |
148 |
status=1 |
149 |
## END |
150 |
## BUG zsh/mksh STDOUT: |
151 |
status=1 |
152 |
status=1 |
153 |
status=1 |
154 |
status=1 |
155 |
status=1 |
156 |
## END |
157 |
## N-I dash STDOUT: |
158 |
status=127 |
159 |
status=127 |
160 |
status=127 |
161 |
status=127 |
162 |
status=127 |
163 |
## END |
164 |
|
165 |
#### history -d to delete history item |
166 |
|
167 |
# TODO: Respect HISTFILE and fix this test |
168 |
|
169 |
case $SH in (dash|mksh|zsh) exit ;; esac |
170 |
|
171 |
history -d 1 |
172 |
echo status=$? |
173 |
|
174 |
# problem: default for integers is -1 |
175 |
history -d -1 |
176 |
echo status=$? |
177 |
history -d -2 |
178 |
echo status=$? |
179 |
|
180 |
## STDOUT: |
181 |
status=0 |
182 |
status=1 |
183 |
status=1 |
184 |
## END |
185 |
## N-I dash/mksh/zsh stdout-json: "" |
186 |
|
187 |
#### $(command type ls) |
188 |
type() { echo FUNCTION; } |
189 |
type |
190 |
s=$(command type echo) |
191 |
echo $s | grep builtin > /dev/null |
192 |
echo status=$? |
193 |
## STDOUT: |
194 |
FUNCTION |
195 |
status=0 |
196 |
## END |
197 |
## N-I zsh STDOUT: |
198 |
FUNCTION |
199 |
status=1 |
200 |
## END |
201 |
## N-I mksh STDOUT: |
202 |
status=1 |
203 |
## END |
204 |
|
205 |
#### builtin |
206 |
cd () { echo "hi"; } |
207 |
cd |
208 |
builtin cd / && pwd |
209 |
unset -f cd |
210 |
## STDOUT: |
211 |
hi |
212 |
/ |
213 |
## END |
214 |
## N-I dash STDOUT: |
215 |
hi |
216 |
## END |
217 |
|
218 |
#### builtin ls not found |
219 |
builtin ls |
220 |
## status: 1 |
221 |
## N-I dash status: 127 |
222 |
|
223 |
#### builtin no args |
224 |
builtin |
225 |
## status: 0 |
226 |
## N-I dash status: 127 |
227 |
|
228 |
#### builtin command echo hi |
229 |
builtin command echo hi |
230 |
## status: 0 |
231 |
## stdout: hi |
232 |
## N-I dash status: 127 |
233 |
## N-I dash stdout-json: "" |