1
2	#### [bash_unset] local-unset / dynamic-unset for localvar
3	unlocal() { unset -v "$1"; }
4
5	f1() {
6	local v=local
7	unset v
8	echo "[$1,local,(unset)] v: ${v-(unset)}"
9	}
10	v=global
11	f1 global
12
13	f1() {
14	local v=local
15	unlocal v
16	echo "[$1,local,(unlocal)] v: ${v-(unset)}"
17	}
18	v=global
19	f1 'global'
20
21	## STDOUT:
22	# bash-unset
23	# local-unset = value-unset
24	# dynamic-unset = cell-unset
25	[global,local,(unset)] v: (unset)
26	[global,local,(unlocal)] v: global
27	## END
28
29	## OK osh/mksh/yash STDOUT:
30	# always-cell-unset
31	# local-unset = cell-unset
32	# dynamic-unset = cell-unset
33	[global,local,(unset)] v: global
34	[global,local,(unlocal)] v: global
35	## END
36
37	## OK zsh/ash/dash STDOUT:
38	# always-value-unset
39	# local-unset = value-unset
40	# dynamic-unset = value-unset
41	[global,local,(unset)] v: (unset)
42	[global,local,(unlocal)] v: (unset)
43	## END
44
45
46	#### [bash_unset] local-unset / dynamic-unset for localvar (mutated from tempenv)
47	unlocal() { unset -v "$1"; }
48
49	f1() {
50	local v=local
51	unset v
52	echo "[$1,local,(unset)] v: ${v-(unset)}"
53	}
54	v=global
55	v=tempenv f1 'global,tempenv'
56
57	f1() {
58	local v=local
59	unlocal v
60	echo "[$1,local,(unlocal)] v: ${v-(unset)}"
61	}
62	v=global
63	v=tempenv f1 'global,tempenv'
64
65	## STDOUT:
66	# bash-unset (bash-5.1)
67	# local-unset = local-unset
68	# dynamic-unset = cell-unset
69	[global,tempenv,local,(unset)] v: (unset)
70	[global,tempenv,local,(unlocal)] v: global
71	## END
72
73	## BUG bash STDOUT:
74	# bash-unset (bash-4.3..5.0 bug)
75	[global,tempenv,local,(unset)] v: global
76	[global,tempenv,local,(unlocal)] v: global
77	## END
78
79	## OK osh/mksh/yash STDOUT:
80	# always-cell-unset
81	# local-unset = cell-unset
82	# dynamic-unset = cell-unset
83	[global,tempenv,local,(unset)] v: tempenv
84	[global,tempenv,local,(unlocal)] v: tempenv
85	## END
86
87	## OK zsh/ash/dash STDOUT:
88	# always-value-unset
89	# local-unset = value-unset
90	# dynamic-unset = value-unset
91	[global,tempenv,local,(unset)] v: (unset)
92	[global,tempenv,local,(unlocal)] v: (unset)
93	## END
94
95
96	#### [bash_unset] local-unset / dynamic-unset for tempenv
97	unlocal() { unset -v "$1"; }
98
99	f1() {
100	unset v
101	echo "[$1,(unset)] v: ${v-(unset)}"
102	}
103	v=global
104	v=tempenv f1 'global,tempenv'
105
106	f1() {
107	unlocal v
108	echo "[$1,(unlocal)] v: ${v-(unset)}"
109	}
110	v=global
111	v=tempenv f1 'global,tempenv'
112
113	## STDOUT:
114	# always-cell-unset, bash-unset
115	# local-unset = cell-unset
116	# dynamic-unset = cell-unset
117	[global,tempenv,(unset)] v: global
118	[global,tempenv,(unlocal)] v: global
119	## END
120
121	## OK zsh/ash/dash/mksh STDOUT:
122	# always-value-unset, mksh-unset
123	# local-unset = value-unset
124	# dynamic-unset = value-unset
125	[global,tempenv,(unset)] v: (unset)
126	[global,tempenv,(unlocal)] v: (unset)
127	## END
128
129	#### [bash_unset] function call with tempenv vs tempenv-eval
130	unlocal() { unset -v "$1"; }
131
132	f5() {
133	echo "[$1] v: ${v-(unset)}"
134	local v
135	echo "[$1,local] v: ${v-(unset)}"
136	( unset v
137	echo "[$1,local+unset] v: ${v-(unset)}" )
138	( unlocal v
139	echo "[$1,local+unlocal] v: ${v-(unset)}" )
140	}
141	v=global
142	f5 'global'
143	v=tempenv f5 'global,tempenv'
144	v=tempenv eval 'f5 "global,tempenv,(eval)"'
145
146	## STDOUT:
147	# bash-unset (bash-5.1)
148	[global] v: global
149	[global,local] v: (unset)
150	[global,local+unset] v: (unset)
151	[global,local+unlocal] v: global
152	[global,tempenv] v: tempenv
153	[global,tempenv,local] v: tempenv
154	[global,tempenv,local+unset] v: (unset)
155	[global,tempenv,local+unlocal] v: global
156	[global,tempenv,(eval)] v: tempenv
157	[global,tempenv,(eval),local] v: tempenv
158	[global,tempenv,(eval),local+unset] v: (unset)
159	[global,tempenv,(eval),local+unlocal] v: tempenv
160	## END
161
162	## BUG bash STDOUT:
163	# bash-unset (bash-4.3..5.0 bug)
164	[global] v: global
165	[global,local] v: (unset)
166	[global,local+unset] v: (unset)
167	[global,local+unlocal] v: global
168	[global,tempenv] v: tempenv
169	[global,tempenv,local] v: tempenv
170	[global,tempenv,local+unset] v: global
171	[global,tempenv,local+unlocal] v: global
172	[global,tempenv,(eval)] v: tempenv
173	[global,tempenv,(eval),local] v: tempenv
174	[global,tempenv,(eval),local+unset] v: (unset)
175	[global,tempenv,(eval),local+unlocal] v: tempenv
176	## END
177
178	## OK ash STDOUT:
179	# always-value-unset x init.unset
180	[global] v: global
181	[global,local] v: (unset)
182	[global,local+unset] v: (unset)
183	[global,local+unlocal] v: (unset)
184	[global,tempenv] v: tempenv
185	[global,tempenv,local] v: tempenv
186	[global,tempenv,local+unset] v: (unset)
187	[global,tempenv,local+unlocal] v: (unset)
188	[global,tempenv,(eval)] v: tempenv
189	[global,tempenv,(eval),local] v: (unset)
190	[global,tempenv,(eval),local+unset] v: (unset)
191	[global,tempenv,(eval),local+unlocal] v: (unset)
192	## END
193
194	## OK zsh STDOUT:
195	# always-value-unset x init.empty
196	[global] v: global
197	[global,local] v:
198	[global,local+unset] v: (unset)
199	[global,local+unlocal] v: (unset)
200	[global,tempenv] v: tempenv
201	[global,tempenv,local] v:
202	[global,tempenv,local+unset] v: (unset)
203	[global,tempenv,local+unlocal] v: (unset)
204	[global,tempenv,(eval)] v: tempenv
205	[global,tempenv,(eval),local] v:
206	[global,tempenv,(eval),local+unset] v: (unset)
207	[global,tempenv,(eval),local+unlocal] v: (unset)
208	## END
209
210	## OK dash STDOUT:
211	# always-value-unset x init.inherit
212	[global] v: global
213	[global,local] v: global
214	[global,local+unset] v: (unset)
215	[global,local+unlocal] v: (unset)
216	[global,tempenv] v: tempenv
217	[global,tempenv,local] v: tempenv
218	[global,tempenv,local+unset] v: (unset)
219	[global,tempenv,local+unlocal] v: (unset)
220	[global,tempenv,(eval)] v: tempenv
221	[global,tempenv,(eval),local] v: tempenv
222	[global,tempenv,(eval),local+unset] v: (unset)
223	[global,tempenv,(eval),local+unlocal] v: (unset)
224	## END
225
226	## OK osh/yash/mksh STDOUT:
227	# always-cell-unset x init.unset
228	[global] v: global
229	[global,local] v: (unset)
230	[global,local+unset] v: global
231	[global,local+unlocal] v: global
232	[global,tempenv] v: tempenv
233	[global,tempenv,local] v: (unset)
234	[global,tempenv,local+unset] v: tempenv
235	[global,tempenv,local+unlocal] v: tempenv
236	[global,tempenv,(eval)] v: tempenv
237	[global,tempenv,(eval),local] v: (unset)
238	[global,tempenv,(eval),local+unset] v: tempenv
239	[global,tempenv,(eval),local+unlocal] v: tempenv
240	## END
241
242
243	#### [bash_unset] localvar-inherit from tempenv
244	f1() {
245	local v
246	echo "[$1,(local)] v: ${v-(unset)}"
247	}
248	f2() {
249	f1 "$1,(func)"
250	}
251	f3() {
252	local v=local
253	f1 "$1,local,(func)"
254	}
255	v=global
256
257	f1 'global'
258	v=tempenv f1 'global,tempenv'
259	(export v=global; f1 'xglobal')
260
261	f2 'global'
262	v=tempenv f2 'global,tempenv'
263	(export v=global; f2 'xglobal')
264
265	f3 'global'
266
267	## STDOUT:
268	# init.bash
269	# init.unset for local
270	# init.inherit for tempenv
271	[global,(local)] v: (unset)
272	[global,tempenv,(local)] v: tempenv
273	[xglobal,(local)] v: (unset)
274	[global,(func),(local)] v: (unset)
275	[global,tempenv,(func),(local)] v: tempenv
276	[xglobal,(func),(local)] v: (unset)
277	[global,local,(func),(local)] v: (unset)
278	## END
279
280	## OK osh/mksh/yash STDOUT:
281	# init.unset
282	[global,(local)] v: (unset)
283	[global,tempenv,(local)] v: (unset)
284	[xglobal,(local)] v: (unset)
285	[global,(func),(local)] v: (unset)
286	[global,tempenv,(func),(local)] v: (unset)
287	[xglobal,(func),(local)] v: (unset)
288	[global,local,(func),(local)] v: (unset)
289	## END
290
291	## OK ash STDOUT:
292	# init.unset x tempenv-in-localctx
293	[global,(local)] v: (unset)
294	[global,tempenv,(local)] v: tempenv
295	[xglobal,(local)] v: (unset)
296	[global,(func),(local)] v: (unset)
297	[global,tempenv,(func),(local)] v: (unset)
298	[xglobal,(func),(local)] v: (unset)
299	[global,local,(func),(local)] v: (unset)
300	## END
301
302	## OK zsh STDOUT:
303	# init.empty
304	[global,(local)] v:
305	[global,tempenv,(local)] v:
306	[xglobal,(local)] v:
307	[global,(func),(local)] v:
308	[global,tempenv,(func),(local)] v:
309	[xglobal,(func),(local)] v:
310	[global,local,(func),(local)] v:
311	## END
312
313	## OK dash STDOUT:
314	# init.inherit
315	[global,(local)] v: global
316	[global,tempenv,(local)] v: tempenv
317	[xglobal,(local)] v: global
318	[global,(func),(local)] v: global
319	[global,tempenv,(func),(local)] v: tempenv
320	[xglobal,(func),(local)] v: global
321	[global,local,(func),(local)] v: local
322	## END
323
324
325	#### [bash_unset] nested context by tempenv-eval
326	f1() {
327	local v=local1
328	echo "[$1,local1] v: ${v-(unset)}"
329	v=tempenv2 eval '
330	echo "[$1,local1,tempenv2,(eval)] v: ${v-(unset)}"
331	local v=local2
332	echo "[$1,local1,tempenv2,(eval),local2] v: ${v-(unset)}"
333	'
334	echo "[$1,local1] v: ${v-(unset)} (after)"
335	}
336	v=global
337	v=tempenv1 f1 global,tempenv1
338
339	## STDOUT:
340	# localvar-nest yes
341	[global,tempenv1,local1] v: local1
342	[global,tempenv1,local1,tempenv2,(eval)] v: tempenv2
343	[global,tempenv1,local1,tempenv2,(eval),local2] v: local2
344	[global,tempenv1,local1] v: local1 (after)
345	## END
346
347	## OK mksh/ash/dash/yash STDOUT:
348	# localvar-nest no
349	[global,tempenv1,local1] v: local1
350	[global,tempenv1,local1,tempenv2,(eval)] v: tempenv2
351	[global,tempenv1,local1,tempenv2,(eval),local2] v: local2
352	[global,tempenv1,local1] v: local2 (after)
353	## END
354
355	#### [bash_unset] local-unset / dynamic-unset for localvar on nested-context
356	unlocal() { unset -v "$1"; }
357
358	f2() {
359	local v=local1
360	v=tempenv2 eval '
361	local v=local2
362	(unset v ; echo "[$1,local1,tempenv2,(eval),local2,(unset)] v: ${v-(unset)}")
363	(unlocal v; echo "[$1,local1,tempenv2,(eval),local2,(unlocal)] v: ${v-(unset)}")
364	'
365	}
366	v=global
367	v=tempenv1 f2 global,tempenv1
368
369	## STDOUT:
370	# bash-unset (bash-5.1)
371	[global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: (unset)
372	[global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: local1
373	## END
374
375	## BUG bash STDOUT:
376	# bash-unset (bash-4.3..5.0 bug)
377	[global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: local1
378	[global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: local1
379	## END
380
381	## OK zsh/ash/dash STDOUT:
382	# always-value-unset
383	[global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: (unset)
384	[global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: (unset)
385	## END
386
387	## OK osh STDOUT:
388	# always-cell-unset x localvar-tempenv-share
389	[global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: local1
390	[global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: local1
391	## END
392
393	## OK mksh/yash STDOUT:
394	# always-cell-unset (remove all localvar/tempenv)
395	[global,tempenv1,local1,tempenv2,(eval),local2,(unset)] v: tempenv1
396	[global,tempenv1,local1,tempenv2,(eval),local2,(unlocal)] v: tempenv1
397	## END
398
399	#### [bash_unset] dynamic-unset for nested localvars
400	unlocal() { unset -v "$1"; }
401
402	f3() {
403	local v=local1
404	v=tempenv2 eval '
405	local v=local2
406	v=tempenv3 eval "
407	local v=local3
408	echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)}\"
409	unlocal v
410	echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 1)\"
411	unlocal v
412	echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 2)\"
413	unlocal v
414	echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 3)\"
415	unlocal v
416	echo \"[\$1/local1,tempenv2/local2,tempenv3/local3] v: \${v-(unset)} (unlocal 4)\"
417	"
418	'
419	}
420	v=global
421	v=tempenv1 f3 global,tempenv1
422
423	## STDOUT:
424	# cell-unset x localvar-tempenv-share x tempenv-in-localctx
425	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
426	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local2 (unlocal 1)
427	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local1 (unlocal 2)
428	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: global (unlocal 3)
429	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
430	## END
431
432	## OK zsh/ash/dash STDOUT:
433	# value-unset
434	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
435	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 1)
436	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 2)
437	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 3)
438	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
439	## END
440
441	## OK osh STDOUT:
442	# cell-unset x localvar-tempenv-share
443	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
444	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local2 (unlocal 1)
445	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local1 (unlocal 2)
446	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: tempenv1 (unlocal 3)
447	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: global (unlocal 4)
448	## END
449
450	## OK yash STDOUT:
451	# cell-unset (remove all localvar)
452	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
453	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: tempenv1 (unlocal 1)
454	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: global (unlocal 2)
455	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 3)
456	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
457	## END
458
459	## OK mksh STDOUT:
460	# cell-unset (remove all localvar/tempenv) x tempenv-value-unset
461	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: local3
462	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: tempenv1 (unlocal 1)
463	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 2)
464	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 3)
465	[global,tempenv1/local1,tempenv2/local2,tempenv3/local3] v: (unset) (unlocal 4)
466	## END
467
468
469	#### [bash_unset] dynamic-unset for nested tempenvs
470	unlocal() { unset -v "$1"; }
471
472	f4_unlocal() {
473	v=tempenv2 eval '
474	v=tempenv3 eval "
475	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)}\"
476	unlocal v
477	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 1)\"
478	unlocal v
479	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 2)\"
480	unlocal v
481	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 3)\"
482	unlocal v
483	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unlocal 4)\"
484	"
485	'
486	}
487	v=global
488	v=tempenv1 f4_unlocal global,tempenv1
489
490	## STDOUT:
491	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
492	[global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unlocal 1)
493	[global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unlocal 2)
494	[global,tempenv1,tempenv2,tempenv3] v: global (unlocal 3)
495	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
496	## END
497
498	## OK zsh/ash/dash/mksh STDOUT:
499	# value-unset, mksh-unset
500	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
501	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 1)
502	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 2)
503	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 3)
504	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
505	## END
506
507	## OK osh STDOUT:
508	# cell-unset
509	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
510	[global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unlocal 1)
511	[global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unlocal 2)
512	[global,tempenv1,tempenv2,tempenv3] v: global (unlocal 3)
513	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
514	## END
515
516	## OK yash STDOUT:
517	# remove all tempenv3
518	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
519	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 1)
520	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 2)
521	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 3)
522	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unlocal 4)
523	## END
524
525	#### [bash_unset] local-unset for nested tempenvs
526	f4_unset() {
527	v=tempenv2 eval '
528	v=tempenv3 eval "
529	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)}\"
530	unset v
531	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 1)\"
532	unset v
533	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 2)\"
534	unset v
535	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 3)\"
536	unset v
537	echo \"[\$1,tempenv2,tempenv3] v: \${v-(unset)} (unset 4)\"
538	"
539	'
540	}
541	v=global
542	v=tempenv1 f4_unset global,tempenv1
543
544	## STDOUT:
545	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
546	[global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unset 1)
547	[global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unset 2)
548	[global,tempenv1,tempenv2,tempenv3] v: global (unset 3)
549	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
550	## END
551
552	## OK zsh/ash/dash/mksh/yash STDOUT:
553	# value-unset, mksh-unset, tempenv-value-unset?
554	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
555	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 1)
556	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 2)
557	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 3)
558	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
559	## END
560
561	## OK osh STDOUT:
562	# cell-unset
563	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
564	[global,tempenv1,tempenv2,tempenv3] v: tempenv2 (unset 1)
565	[global,tempenv1,tempenv2,tempenv3] v: tempenv1 (unset 2)
566	[global,tempenv1,tempenv2,tempenv3] v: global (unset 3)
567	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
568	## END
569
570	## BUG yash STDOUT:
571	# value-unset? inconsistent with other test cases
572	[global,tempenv1,tempenv2,tempenv3] v: tempenv3
573	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 1)
574	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 2)
575	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 3)
576	[global,tempenv1,tempenv2,tempenv3] v: (unset) (unset 4)
577	## END
578
579	#### [compat_array] ${arr} is ${arr[0]}
580	case ${SH##*/} in (dash|ash) exit 1;; esac # dash/ash does not have arrays
581	case ${SH##*/} in (osh) shopt -s compat_array;; esac
582	case ${SH##*/} in (zsh) setopt KSH_ARRAYS;; esac
583	arr=(foo bar baz)
584	argv.py "$arr" "${arr}"
585	## stdout: ['foo', 'foo']
586
587	## N-I dash/ash status: 1
588	## N-I dash/ash stdout-json: ""
589
590	## OK yash stdout: ['foo', 'bar', 'baz', 'foo', 'bar', 'baz']
591
592	#### [compat_array] scalar write to arrays
593	case ${SH##*/} in
594	(dash|ash) exit 1;; # dash/ash does not have arrays
595	(osh) shopt -s compat_array;;
596	(zsh) setopt KSH_ARRAYS;;
597	esac
598
599	a=(1 0 0)
600	: $(( a++ ))
601	argv.py "${a[@]}"
602	## stdout: ['2', '0', '0']
603
604	## N-I dash/ash status: 1
605	## N-I dash/ash stdout-json: ""
606
607	## OK yash STDOUT:
608	# yash does not support scalar access. Instead, it replaces the array
609	# with a scalar.
610	['1']
611	## END
612
613	#### [compat_array] scalar write to associative arrays
614	case ${SH##*/} in
615	(dash|ash|yash|mksh) exit 1;; # dash/ash/yash/mksh does not have associative arrays
616	(osh) shopt -s compat_array;;
617	(zsh) setopt KSH_ARRAYS;;
618	esac
619
620	declare -A d=()
621	d['0']=1
622	d['foo']=hello
623	d['bar']=world
624	((d++))
625	argv.py ${d['0']} ${d['foo']} ${d['bar']}
626	## stdout: ['2', 'hello', 'world']
627
628	## N-I dash/ash/yash/mksh status: 1
629	## N-I dash/ash/yash/mksh stdout-json: ""
630
631	## N-I zsh stdout: ['1', 'hello', 'world']
632
633	#### [compat_array] ${alpha@a}
634	declare -A alpha=(['1']=2)
635	echo type=${alpha@a}
636	shopt -s compat_array
637	echo type=${alpha@a}
638	## STDOUT:
639	type=A
640	type=A
641	## END
642	## N-I mksh/zsh status: 1
643	## N-I dash/ash/yash status: 2
644	## N-I dash/ash/yash/mksh/zsh stdout-json: ""