1 |
## oils_failures_allowed: 2
|
2 |
## compare_shells: dash bash-4.4 mksh zsh
|
3 |
|
4 |
|
5 |
FOO=foo printenv.py FOO
|
6 |
echo -$FOO-
|
7 |
## STDOUT:
|
8 |
foo
|
9 |
--
|
10 |
## END
|
11 |
|
12 |
|
13 |
FOO=foo=foo printenv.py FOO
|
14 |
## stdout: foo=foo
|
15 |
|
16 |
|
17 |
# This means that for ASSIGNMENT_WORD, on the RHS you invoke the parser again!
|
18 |
# Could be any kind of quoted string.
|
19 |
FOO="foo" BAR="[$FOO][$BAZ]" BAZ=baz printenv.py FOO BAR BAZ
|
20 |
## STDOUT:
|
21 |
foo
|
22 |
[foo][]
|
23 |
baz
|
24 |
## BUG mksh STDOUT:
|
25 |
foo
|
26 |
[][]
|
27 |
baz
|
28 |
## END
|
29 |
|
30 |
|
31 |
FOO='foo'"adjacent" printenv.py FOO
|
32 |
## stdout: fooadjacent
|
33 |
|
34 |
|
35 |
FOO=foo\<foo printenv.py FOO
|
36 |
## stdout: foo<foo
|
37 |
|
38 |
|
39 |
FOO=foo echo "[$foo]"
|
40 |
## stdout: []
|
41 |
|
42 |
|
43 |
fun() {
|
44 |
echo "[$FOO]"
|
45 |
}
|
46 |
FOO=foo fun
|
47 |
## stdout: [foo]
|
48 |
|
49 |
|
50 |
g() {
|
51 |
echo "$F" "$G1" "$G2"
|
52 |
echo '--- g() ---'
|
53 |
P=p printenv.py F G1 G2 A P
|
54 |
}
|
55 |
f() {
|
56 |
# NOTE: G1 doesn't pick up binding f, but G2 picks up a.
|
57 |
# I don't quite understand why this is, but bash and OSH agree!
|
58 |
G1=[$f] G2=[$a] g
|
59 |
echo '--- f() ---'
|
60 |
printenv.py F G1 G2 A P
|
61 |
}
|
62 |
a=A
|
63 |
F=f f
|
64 |
## STDOUT:
|
65 |
f [] [A]
|
66 |
--- g() ---
|
67 |
f
|
68 |
[]
|
69 |
[A]
|
70 |
None
|
71 |
p
|
72 |
--- f() ---
|
73 |
f
|
74 |
None
|
75 |
None
|
76 |
None
|
77 |
None
|
78 |
## END
|
79 |
## OK mksh STDOUT:
|
80 |
# G1 and G2 somehow persist. I think that is a bug. They should be local to
|
81 |
# the G call.
|
82 |
f [] [A]
|
83 |
--- g() ---
|
84 |
f
|
85 |
[]
|
86 |
[A]
|
87 |
None
|
88 |
p
|
89 |
--- f() ---
|
90 |
f
|
91 |
[]
|
92 |
[A]
|
93 |
None
|
94 |
None
|
95 |
## END
|
96 |
## BUG dash STDOUT:
|
97 |
# dash sets even less stuff. Doesn't appear correct.
|
98 |
f [] [A]
|
99 |
--- g() ---
|
100 |
None
|
101 |
None
|
102 |
None
|
103 |
None
|
104 |
p
|
105 |
--- f() ---
|
106 |
None
|
107 |
None
|
108 |
None
|
109 |
None
|
110 |
None
|
111 |
## END
|
112 |
|
113 |
|
114 |
# foo=bar is in the 'spec/bin' dir.
|
115 |
foo\=bar
|
116 |
## stdout: HI
|
117 |
|
118 |
|
119 |
# bash gives exit code 2 for syntax error, because of 'do'.
|
120 |
# dash gives 0 because there is stuff after for? Should really give an error.
|
121 |
# mksh gives acceptable error of 1.
|
122 |
FOO=bar for i in a b; do printenv.py $FOO; done
|
123 |
## status: 2
|
124 |
## OK mksh/zsh status: 1
|
125 |
|
126 |
|
127 |
FOO=bar for
|
128 |
## status: 127
|
129 |
## OK zsh status: 1
|
130 |
|
131 |
|
132 |
EMPTY= printenv.py EMPTY
|
133 |
## stdout:
|
134 |
|
135 |
|
136 |
words='one two'
|
137 |
a=$words
|
138 |
argv.py "$a"
|
139 |
## stdout: ['one two']
|
140 |
|
141 |
|
142 |
touch _tmp/z.Z _tmp/zz.Z
|
143 |
a=_tmp/*.Z
|
144 |
argv.py "$a"
|
145 |
## stdout: ['_tmp/*.Z']
|
146 |
|
147 |
|
148 |
|
149 |
# All shells agree on this, but it's very confusing behavior.
|
150 |
FOO=foo readonly v=$(printenv.py FOO)
|
151 |
echo "v=$v"
|
152 |
|
153 |
# bash has probems here:
|
154 |
FOO=foo readonly v2=$FOO
|
155 |
echo "v2=$v2"
|
156 |
|
157 |
## STDOUT:
|
158 |
v=None
|
159 |
v2=foo
|
160 |
## END
|
161 |
## BUG bash STDOUT:
|
162 |
v=None
|
163 |
v2=
|
164 |
## END
|
165 |
|
166 |
|
167 |
a=1 echo b[0]=2 c=3
|
168 |
## stdout: b[0]=2 c=3
|
169 |
# zsh interprets [0] as some kind of glob
|
170 |
## OK zsh stdout-json: ""
|
171 |
## OK zsh status: 1
|
172 |
|
173 |
|
174 |
f() {
|
175 |
local "$1" # Only x is assigned here
|
176 |
echo x=\'$x\'
|
177 |
echo a=\'$a\'
|
178 |
|
179 |
local $1 # x and a are assigned here
|
180 |
echo x=\'$x\'
|
181 |
echo a=\'$a\'
|
182 |
}
|
183 |
f 'x=y a=b'
|
184 |
## OK dash/bash/mksh STDOUT:
|
185 |
x='y a=b'
|
186 |
a=''
|
187 |
x='y'
|
188 |
a='b'
|
189 |
## END
|
190 |
# osh and zsh don't do word splitting
|
191 |
## STDOUT:
|
192 |
x='y a=b'
|
193 |
a=''
|
194 |
x='y a=b'
|
195 |
a=''
|
196 |
## END
|
197 |
|
198 |
|
199 |
readonly x=
|
200 |
argv.py "$x"
|
201 |
## STDOUT:
|
202 |
['']
|
203 |
## END
|
204 |
|
205 |
|
206 |
set -o nounset
|
207 |
f() {
|
208 |
local x
|
209 |
echo $x
|
210 |
}
|
211 |
f
|
212 |
## status: 1
|
213 |
## OK dash status: 2
|
214 |
## BUG zsh status: 0
|
215 |
|
216 |
|
217 |
set -o nounset
|
218 |
f() {
|
219 |
local -a x
|
220 |
echo $x
|
221 |
}
|
222 |
f
|
223 |
## status: 1
|
224 |
## OK dash status: 2
|
225 |
## BUG zsh status: 0
|
226 |
|
227 |
|
228 |
f() {
|
229 |
local x
|
230 |
x[3]=foo
|
231 |
echo ${x[3]}
|
232 |
}
|
233 |
f
|
234 |
## status: 0
|
235 |
## stdout: foo
|
236 |
## N-I dash status: 2
|
237 |
## N-I dash stdout-json: ""
|
238 |
## BUG zsh stdout: o
|
239 |
|
240 |
|
241 |
declare -A foo
|
242 |
key=bar
|
243 |
foo["$key"]=value
|
244 |
echo ${foo["bar"]}
|
245 |
## status: 0
|
246 |
## stdout: value
|
247 |
## N-I dash status: 2
|
248 |
## N-I dash stdout-json: ""
|
249 |
## N-I mksh status: 1
|
250 |
## N-I mksh stdout-json: ""
|
251 |
|
252 |
|
253 |
# bug caught by my feature detection snippet in bash-completion
|
254 |
if ! foo=bar; then
|
255 |
echo BAD
|
256 |
fi
|
257 |
echo $foo
|
258 |
if ! eval 'spam=eggs'; then
|
259 |
echo BAD
|
260 |
fi
|
261 |
echo $spam
|
262 |
## STDOUT:
|
263 |
bar
|
264 |
eggs
|
265 |
## END
|
266 |
|
267 |
|
268 |
|
269 |
# (regression for bug found by Michael Greenberg)
|
270 |
f() {
|
271 |
echo "x before = $x"
|
272 |
x=$((x+1))
|
273 |
echo "x after = $x"
|
274 |
}
|
275 |
x=5 f
|
276 |
## STDOUT:
|
277 |
x before = 5
|
278 |
x after = 6
|
279 |
## END
|
280 |
|
281 |
|
282 |
f() {
|
283 |
echo "x=$x"
|
284 |
|
285 |
x=mutated-temp # mutate temp frame
|
286 |
echo "x=$x"
|
287 |
|
288 |
# Declare a new local
|
289 |
local x='local'
|
290 |
echo "x=$x"
|
291 |
|
292 |
# Unset it
|
293 |
unset x
|
294 |
echo "x=$x"
|
295 |
}
|
296 |
|
297 |
x=global
|
298 |
x=temp-binding f
|
299 |
echo "x=$x"
|
300 |
|
301 |
## STDOUT:
|
302 |
x=temp-binding
|
303 |
x=mutated-temp
|
304 |
x=local
|
305 |
x=mutated-temp
|
306 |
x=global
|
307 |
## END
|
308 |
## OK dash/zsh STDOUT:
|
309 |
x=temp-binding
|
310 |
x=mutated-temp
|
311 |
x=local
|
312 |
x=
|
313 |
x=global
|
314 |
## END
|
315 |
## BUG bash STDOUT:
|
316 |
x=temp-binding
|
317 |
x=mutated-temp
|
318 |
x=local
|
319 |
x=global
|
320 |
x=global
|
321 |
## END
|
322 |
## BUG mksh STDOUT:
|
323 |
x=temp-binding
|
324 |
x=mutated-temp
|
325 |
x=local
|
326 |
x=mutated-temp
|
327 |
x=mutated-temp
|
328 |
## END
|
329 |
## BUG yash STDOUT:
|
330 |
# yash has no locals
|
331 |
x=temp-binding
|
332 |
x=mutated-temp
|
333 |
x=mutated-temp
|
334 |
x=
|
335 |
x=
|
336 |
## END
|
337 |
|
338 |
|
339 |
f() {
|
340 |
echo "x=$x"
|
341 |
|
342 |
x=mutated-temp # mutate temp frame
|
343 |
echo "x=$x"
|
344 |
|
345 |
# Unset it
|
346 |
unset x
|
347 |
echo "x=$x"
|
348 |
}
|
349 |
|
350 |
x=global
|
351 |
x=temp-binding f
|
352 |
echo "x=$x"
|
353 |
|
354 |
## OK dash/zsh STDOUT:
|
355 |
x=temp-binding
|
356 |
x=mutated-temp
|
357 |
x=
|
358 |
x=global
|
359 |
## END
|
360 |
## BUG mksh/yash STDOUT:
|
361 |
x=temp-binding
|
362 |
x=mutated-temp
|
363 |
x=
|
364 |
x=
|
365 |
## END
|
366 |
## STDOUT:
|
367 |
x=temp-binding
|
368 |
x=mutated-temp
|
369 |
x=global
|
370 |
x=global
|
371 |
## END
|
372 |
|
373 |
|
374 |
f() {
|
375 |
echo "x=$x"
|
376 |
local x='local'
|
377 |
echo "x=$x"
|
378 |
unset x
|
379 |
echo "- operator = ${x-default}"
|
380 |
echo ":- operator = ${x:-default}"
|
381 |
}
|
382 |
x=global
|
383 |
f
|
384 |
## OK dash/bash/zsh STDOUT:
|
385 |
x=global
|
386 |
x=local
|
387 |
- operator = default
|
388 |
:- operator = default
|
389 |
## END
|
390 |
## STDOUT:
|
391 |
x=global
|
392 |
x=local
|
393 |
- operator = global
|
394 |
:- operator = global
|
395 |
## END
|
396 |
|
397 |
|
398 |
f() {
|
399 |
echo "x=$x"
|
400 |
local x='local'
|
401 |
echo "x=$x"
|
402 |
unset x
|
403 |
echo "- operator = ${x-default}"
|
404 |
echo ":- operator = ${x:-default}"
|
405 |
}
|
406 |
x=global
|
407 |
x=temp-binding f
|
408 |
## OK dash/zsh STDOUT:
|
409 |
x=temp-binding
|
410 |
x=local
|
411 |
- operator = default
|
412 |
:- operator = default
|
413 |
## END
|
414 |
## STDOUT:
|
415 |
x=temp-binding
|
416 |
x=local
|
417 |
- operator = temp-binding
|
418 |
:- operator = temp-binding
|
419 |
## END
|
420 |
## BUG bash STDOUT:
|
421 |
x=temp-binding
|
422 |
x=local
|
423 |
- operator = global
|
424 |
:- operator = global
|
425 |
## END
|
426 |
|
427 |
|
428 |
words='a b c'
|
429 |
export ex=$words
|
430 |
glo=$words
|
431 |
readonly ro=$words
|
432 |
argv.py "$ex" "$glo" "$ro"
|
433 |
|
434 |
## STDOUT:
|
435 |
['a b c', 'a b c', 'a b c']
|
436 |
## END
|
437 |
## BUG dash STDOUT:
|
438 |
['a', 'a b c', 'a']
|
439 |
## END
|
440 |
|
441 |
|
442 |
|
443 |
shopt -s expand_aliases || true
|
444 |
words='a b c'
|
445 |
alias e=export
|
446 |
alias r=readonly
|
447 |
e ex=$words
|
448 |
r ro=$words
|
449 |
argv.py "$ex" "$ro"
|
450 |
## BUG dash STDOUT:
|
451 |
['a', 'a']
|
452 |
## END
|
453 |
## STDOUT:
|
454 |
['a b c', 'a b c']
|
455 |
## END
|
456 |
|
457 |
|
458 |
|
459 |
words='a b c'
|
460 |
e=export
|
461 |
r=readonly
|
462 |
$e ex=$words
|
463 |
$r ro=$words
|
464 |
argv.py "$ex" "$ro"
|
465 |
|
466 |
# zsh and OSH are smart
|
467 |
## STDOUT:
|
468 |
['a b c', 'a b c']
|
469 |
## END
|
470 |
|
471 |
## OK dash/bash/mksh STDOUT:
|
472 |
['a', 'a']
|
473 |
## END
|
474 |
|
475 |
|
476 |
|
477 |
words='a b c'
|
478 |
arg_ex=ex=$words
|
479 |
arg_ro=ro=$words
|
480 |
|
481 |
# no quotes, this is split of course
|
482 |
export $arg_ex
|
483 |
readonly $arg_ro
|
484 |
|
485 |
argv.py "$ex" "$ro"
|
486 |
|
487 |
arg_ex2=ex2=$words
|
488 |
arg_ro2=ro2=$words
|
489 |
|
490 |
# quotes, no splitting
|
491 |
export "$arg_ex2"
|
492 |
readonly "$arg_ro2"
|
493 |
|
494 |
argv.py "$ex2" "$ro2"
|
495 |
|
496 |
## STDOUT:
|
497 |
['a b c', 'a b c']
|
498 |
['a b c', 'a b c']
|
499 |
## END
|
500 |
## OK dash/bash/mksh STDOUT:
|
501 |
['a', 'a']
|
502 |
['a b c', 'a b c']
|
503 |
## END
|
504 |
|
505 |
|
506 |
cd $TMP
|
507 |
touch foo=a foo=b
|
508 |
foo=*
|
509 |
argv.py "$foo"
|
510 |
unset foo
|
511 |
|
512 |
export foo=*
|
513 |
argv.py "$foo"
|
514 |
unset foo
|
515 |
|
516 |
## STDOUT:
|
517 |
['*']
|
518 |
['*']
|
519 |
## END
|
520 |
## BUG dash STDOUT:
|
521 |
['*']
|
522 |
['b']
|
523 |
## END
|
524 |
|
525 |
|
526 |
cd $TMP
|
527 |
touch foo=a foo=b
|
528 |
typeset foo=*
|
529 |
argv.py "$foo"
|
530 |
unset foo
|
531 |
## STDOUT:
|
532 |
['*']
|
533 |
## END
|
534 |
## N-I dash STDOUT:
|
535 |
['']
|
536 |
## END
|
537 |
|
538 |
|
539 |
one=a
|
540 |
two='b c'
|
541 |
readonly $two $one
|
542 |
a=new
|
543 |
echo status=$?
|
544 |
b=new
|
545 |
echo status=$?
|
546 |
c=new
|
547 |
echo status=$?
|
548 |
|
549 |
# in OSH and zsh, this is an invalid variable name
|
550 |
## status: 1
|
551 |
## stdout-json: ""
|
552 |
|
553 |
# most shells make two variable read-only
|
554 |
|
555 |
## OK dash/mksh status: 2
|
556 |
## OK bash status: 0
|
557 |
## OK bash STDOUT:
|
558 |
status=1
|
559 |
status=1
|
560 |
status=1
|
561 |
## END
|
562 |
|
563 |
|
564 |
readonly a=(1 2) no_value c=(3 4)
|
565 |
no_value=x
|
566 |
## status: 1
|
567 |
## stdout-json: ""
|
568 |
## OK dash status: 2
|
569 |
|
570 |
|
571 |
no_value=foo
|
572 |
export a=1 no_value c=2
|
573 |
printenv.py no_value
|
574 |
## STDOUT:
|
575 |
foo
|
576 |
## END
|
577 |
|
578 |
|
579 |
var='b'
|
580 |
b=global
|
581 |
echo $b
|
582 |
f() {
|
583 |
local a=loc $var c=loc
|
584 |
argv.py "$a" "$b" "$c"
|
585 |
}
|
586 |
f
|
587 |
## STDOUT:
|
588 |
global
|
589 |
['loc', '', 'loc']
|
590 |
## END
|
591 |
## BUG dash STDOUT:
|
592 |
global
|
593 |
['loc', 'global', 'loc']
|
594 |
## END
|
595 |
|
596 |
|
597 |
readonly x=$(stdout_stderr.py) 2>/dev/null
|
598 |
echo done
|
599 |
## STDOUT:
|
600 |
done
|
601 |
## END
|
602 |
## STDERR:
|
603 |
STDERR
|
604 |
## END
|
605 |
## BUG zsh stderr-json: ""
|
606 |
|
607 |
|
608 |
echo stdout=$(stdout_stderr.py) 2>/dev/null
|
609 |
## STDOUT:
|
610 |
stdout=STDOUT
|
611 |
## END
|
612 |
## STDERR:
|
613 |
STDERR
|
614 |
## END
|
615 |
|
616 |
|
617 |
x=$(stdout_stderr.py) 2>/dev/null
|
618 |
echo done
|
619 |
## STDOUT:
|
620 |
done
|
621 |
## END
|
622 |
## stderr-json: ""
|
623 |
## BUG bash STDERR:
|
624 |
STDERR
|
625 |
## END
|
626 |
|
627 |
|
628 |
case $SH in *dash) exit 99 ;; esac # stderr unpredictable
|
629 |
|
630 |
foo=bar
|
631 |
typeset -p foo 1>&2
|
632 |
|
633 |
# zsh and mksh agree on exact output, which we don't really care about
|
634 |
## STDERR:
|
635 |
typeset foo=bar
|
636 |
## END
|
637 |
## OK bash STDERR:
|
638 |
declare -- foo="bar"
|
639 |
## END
|
640 |
## OK osh STDERR:
|
641 |
declare -- foo=bar
|
642 |
## END
|
643 |
## N-I dash status: 99
|
644 |
## N-I dash stderr-json: ""
|
645 |
## stdout-json: ""
|
646 |
|
647 |
|
648 |
case $SH in (dash) exit 99;; esac # dash does not support arrays
|
649 |
|
650 |
declare -a arr
|
651 |
arr=(foo bar baz)
|
652 |
declare -a arr
|
653 |
echo arr:${#arr[@]}
|
654 |
## STDOUT:
|
655 |
arr:3
|
656 |
## END
|
657 |
## N-I dash status: 99
|
658 |
## N-I dash stdout-json: ""
|
659 |
|
660 |
|
661 |
case $SH in (dash|mksh) exit 99;; esac # dash/mksh does not support associative arrays
|
662 |
|
663 |
declare -A dict
|
664 |
dict['foo']=hello
|
665 |
dict['bar']=oil
|
666 |
dict['baz']=world
|
667 |
declare -A dict
|
668 |
echo dict:${#dict[@]}
|
669 |
## STDOUT:
|
670 |
dict:3
|
671 |
## END
|
672 |
## N-I dash/mksh status: 99
|
673 |
## N-I dash/mksh stdout-json: ""
|
674 |
|