1 |
## oils_failures_allowed: 3
|
2 |
## compare_shells: bash dash mksh zsh yash
|
3 |
|
4 |
|
5 |
# http://landley.net/notes.html#20-06-2020
|
6 |
|
7 |
abc=${a?bc} echo hello; echo blah
|
8 |
## status: 1
|
9 |
## OK yash/dash status: 2
|
10 |
## stdout-json: ""
|
11 |
|
12 |
|
13 |
# http://landley.net/notes.html#20-06-2020
|
14 |
|
15 |
readonly abc=123
|
16 |
abc=def
|
17 |
echo status=$?
|
18 |
## status: 2
|
19 |
## stdout-json: ""
|
20 |
## OK osh/zsh status: 1
|
21 |
## OK bash status: 0
|
22 |
## BUG bash STDOUT:
|
23 |
status=1
|
24 |
## END
|
25 |
|
26 |
|
27 |
# http://landley.net/notes.html#20-06-2020
|
28 |
|
29 |
# temp binding
|
30 |
readonly abc=123
|
31 |
abc=def echo one
|
32 |
echo status=$?
|
33 |
|
34 |
echo potato < /does/not/exist || echo hello
|
35 |
|
36 |
## status: 2
|
37 |
## stdout-json: ""
|
38 |
## OK osh/bash status: 0
|
39 |
## OK osh/bash STDOUT:
|
40 |
one
|
41 |
status=0
|
42 |
hello
|
43 |
## END
|
44 |
## OK zsh status: 1
|
45 |
|
46 |
|
47 |
|
48 |
abc=def > /does/not/exist1
|
49 |
echo abc=$abc
|
50 |
|
51 |
export abc=def > /does/not/exist2
|
52 |
echo abc=$abc
|
53 |
|
54 |
## STDOUT:
|
55 |
abc=
|
56 |
abc=
|
57 |
## END
|
58 |
## BUG bash STDOUT:
|
59 |
abc=def
|
60 |
abc=def
|
61 |
## END
|
62 |
## OK dash/mksh STDOUT:
|
63 |
abc=
|
64 |
## END
|
65 |
## OK dash status: 2
|
66 |
## OK mksh status: 1
|
67 |
|
68 |
|
69 |
# http://landley.net/notes.html#12-06-2020
|
70 |
rm *
|
71 |
|
72 |
rm -f walrus
|
73 |
$SH -c 'X=${x?bc} > walrus'
|
74 |
if test -f walrus; then echo 'exists1'; fi
|
75 |
|
76 |
rm -f walrus
|
77 |
$SH -c '>walrus echo ${a?bc}'
|
78 |
test -f walrus
|
79 |
if test -f walrus; then echo 'exists2'; fi
|
80 |
## STDOUT:
|
81 |
exists1
|
82 |
## END
|
83 |
## OK bash stdout-json: ""
|
84 |
|
85 |
|
86 |
# http://landley.net/notes.html#26-05-2020
|
87 |
|
88 |
echo hello | potato() { echo abc; } | echo ha
|
89 |
|
90 |
## STDOUT:
|
91 |
ha
|
92 |
## END
|
93 |
|
94 |
|
95 |
rm * # setup
|
96 |
X='*'; echo $X
|
97 |
echo "*"*".?z"
|
98 |
## STDOUT:
|
99 |
_tmp
|
100 |
**.?z
|
101 |
## END
|
102 |
## BUG zsh status: 1
|
103 |
## BUG zsh STDOUT:
|
104 |
*
|
105 |
## END
|
106 |
|
107 |
|
108 |
rm *
|
109 |
|
110 |
cat > snork << 'EOF'
|
111 |
echo hello $BLAH
|
112 |
EOF
|
113 |
|
114 |
chmod +x snork
|
115 |
$SH -c 'BLAH=123; ./snork'
|
116 |
$SH -c 'BLAH=123; exec ./snork'
|
117 |
$SH -c 'BLAH=123 exec ./snork'
|
118 |
## STDOUT:
|
119 |
hello
|
120 |
hello
|
121 |
hello 123
|
122 |
## END
|
123 |
|
124 |
|
125 |
|
126 |
|
127 |
IFS=x; X=abxcd; echo ${X/bxc/g}
|
128 |
|
129 |
X=a=\"\$a\"; echo ${X//a/{x,y,z}}
|
130 |
|
131 |
## STDOUT:
|
132 |
agd
|
133 |
{ ,y,z="${ ,y,z"}
|
134 |
## END
|
135 |
## BUG zsh STDOUT:
|
136 |
agd
|
137 |
{x,y,z}="${x,y,z}"
|
138 |
## END
|
139 |
## N-I dash status: 2
|
140 |
## N-I dash stdout-json: ""
|
141 |
|
142 |
|
143 |
# http://landley.net/notes.html#08-04-2020
|
144 |
|
145 |
# This makes a difference for zsh, but not for bash?
|
146 |
#set -o posix
|
147 |
|
148 |
$SH -c 'shift; echo hello'
|
149 |
## STDOUT:
|
150 |
hello
|
151 |
## END
|
152 |
## OK dash status: 2
|
153 |
## OK mksh status: 1
|
154 |
## OK dash/mksh stdout-json: ""
|
155 |
|
156 |
|
157 |
potato() { echo hello; }
|
158 |
potato=42
|
159 |
echo $potato
|
160 |
|
161 |
potato
|
162 |
|
163 |
## STDOUT:
|
164 |
42
|
165 |
hello
|
166 |
## END
|
167 |
|
168 |
|
169 |
|
170 |
|
171 |
IFS=x
|
172 |
chicken() { for i in "$@"; do echo =$i=; done;}
|
173 |
chicken one abc dxf ghi
|
174 |
|
175 |
echo ---
|
176 |
myfunc() { "$SH" -c 'IFS=x; for i in $@; do echo =$i=; done' blah "$@"; }
|
177 |
myfunc one "" two
|
178 |
|
179 |
## STDOUT:
|
180 |
=one=
|
181 |
=abc=
|
182 |
=d f=
|
183 |
=ghi=
|
184 |
---
|
185 |
=one=
|
186 |
==
|
187 |
=two=
|
188 |
## END
|
189 |
## BUG dash STDOUT:
|
190 |
=one=
|
191 |
=abc=
|
192 |
=d f=
|
193 |
=ghi=
|
194 |
---
|
195 |
=one=
|
196 |
=two=
|
197 |
## END
|
198 |
## BUG zsh status: 1
|
199 |
## BUG zsh stdout-json: ""
|
200 |
|
201 |
|
202 |
|
203 |
$SH -c '
|
204 |
for i
|
205 |
in one two three
|
206 |
do echo $i;
|
207 |
done
|
208 |
'
|
209 |
echo $?
|
210 |
|
211 |
$SH -c 'for i; in one two three; do echo $i; done'
|
212 |
test $? -ne 0 && echo cannot-parse
|
213 |
|
214 |
## STDOUT:
|
215 |
one
|
216 |
two
|
217 |
three
|
218 |
0
|
219 |
cannot-parse
|
220 |
## END
|
221 |
|
222 |
|
223 |
# http://landley.net/notes.html#15-03-2020
|
224 |
$SH -c 'echo $((echo hello))'
|
225 |
if test $? -ne 0; then echo fail; fi
|
226 |
## stdout: fail
|
227 |
|
228 |
|
229 |
|
230 |
IFS=x; A=xabcxx; for i in $A; do echo =$i=; done
|
231 |
|
232 |
unset IFS; A=" abc def "; for i in ""$A""; do echo =$i=; done
|
233 |
|
234 |
## STDOUT:
|
235 |
==
|
236 |
=abc=
|
237 |
==
|
238 |
==
|
239 |
=abc=
|
240 |
=def=
|
241 |
==
|
242 |
## END
|
243 |
## BUG zsh status: 1
|
244 |
## BUG zsh stdout-json: ""
|
245 |
|
246 |
|
247 |
this one appears different between osh and bash
|
248 |
A=" abc def "; for i in ""x""$A""; do echo =$i=; done
|
249 |
|
250 |
## STDOUT:
|
251 |
=x=
|
252 |
=abc=
|
253 |
=def=
|
254 |
==
|
255 |
## END
|
256 |
## BUG zsh status: 1
|
257 |
## BUG zsh stdout-json: ""
|
258 |
|
259 |
|
260 |
IFS=x; X="onextwoxxthree"; y=$X; echo $y
|
261 |
## STDOUT:
|
262 |
one two three
|
263 |
## END
|
264 |
## BUG zsh STDOUT:
|
265 |
onextwoxxthree
|
266 |
## END
|
267 |
|
268 |
|
269 |
IFS=x
|
270 |
cc() { echo =$*=; for i in $*; do echo -$i-; done;}; cc "" ""
|
271 |
cc() { echo ="$*"=; for i in =$*=; do echo -$i-; done;}; cc "" ""
|
272 |
## STDOUT:
|
273 |
= =
|
274 |
--
|
275 |
=x=
|
276 |
-=-
|
277 |
-=-
|
278 |
## END
|
279 |
## BUG mksh/dash STDOUT:
|
280 |
= =
|
281 |
=x=
|
282 |
-=-
|
283 |
-=-
|
284 |
## END
|
285 |
## BUG yash STDOUT:
|
286 |
= =
|
287 |
--
|
288 |
--
|
289 |
=x=
|
290 |
-=-
|
291 |
-=-
|
292 |
## END
|
293 |
## BUG zsh STDOUT:
|
294 |
= =
|
295 |
## END
|
296 |
## BUG zsh status: 1
|
297 |
|
298 |
|
299 |
cc() { for i in $*; do echo -$i-; done;}; cc "" "" "" "" ""
|
300 |
cc() { echo =$1$2=;}; cc "" ""
|
301 |
## STDOUT:
|
302 |
==
|
303 |
## END
|
304 |
## BUG yash STDOUT:
|
305 |
--
|
306 |
--
|
307 |
--
|
308 |
--
|
309 |
--
|
310 |
==
|
311 |
## END
|
312 |
## BUG zsh status: 1
|
313 |
## BUG zsh stdout-json: ""
|
314 |
|
315 |
|
316 |
|
317 |
$SH -c 'for i in a"$@"b;do echo =$i=;done;}' 123 456 789
|
318 |
## status: 2
|
319 |
## OK mksh/zsh status: 1
|
320 |
## STDOUT:
|
321 |
## END
|
322 |
|
323 |
|
324 |
# http://landley.net/notes.html#28-01-2020
|
325 |
|
326 |
echo $(if true)
|
327 |
echo $?
|
328 |
echo $(false)
|
329 |
echo $?
|
330 |
|
331 |
## status: 2
|
332 |
## stdout-json: ""
|
333 |
|
334 |
## OK mksh/zsh status: 1
|
335 |
|
336 |
|
337 |
|
338 |
echo hello | { read i; echo $i;} | { read i; echo $i;} | cat
|
339 |
echo hello | while read i; do echo -=$i=- | sed s/=/@/g ; done | cat
|
340 |
## STDOUT:
|
341 |
hello
|
342 |
-@hello@-
|
343 |
## END
|
344 |
|