1	#!/bin/bash
2	#
3	# Extended assignment language, e.g. typeset, declare, arrays, etc.
4	# Things that dash doesn't support.
5
6	#### local -a
7	# nixpkgs setup.sh uses this (issue #26)
8	f() {
9	local -a array=(x y z)
10	argv.py "${array[@]}"
11	}
12	f
13	## stdout: ['x', 'y', 'z']
14	## N-I mksh stdout-json: ""
15	## N-I mksh status: 1
16
17	#### declare -a
18	# nixpkgs setup.sh uses this (issue #26)
19	declare -a array=(x y z)
20	argv.py "${array[@]}"
21	## stdout: ['x', 'y', 'z']
22	## N-I mksh stdout-json: ""
23	## N-I mksh status: 1
24
25	#### indexed LHS with spaces (not allowed in OSH)
26	a[1 * 1]=x a[ 1 + 2 ]=z
27	echo status=$?
28	argv.py "${a[@]}"
29	## STDOUT:
30	status=0
31	['x', 'z']
32	## END
33	## N-I osh STDOUT:
34	status=127
35	[]
36	## END
37
38	#### declare -f exit code indicates function existence
39	func2=x # var names are NOT found
40	declare -f myfunc func2
41	echo $?
42
43	myfunc() { echo myfunc; }
44	# This prints the source code.
45	declare -f myfunc func2 > /dev/null
46	echo $?
47
48	func2() { echo func2; }
49	declare -f myfunc func2 > /dev/null
50	echo $?
51	## STDOUT:
52	1
53	1
54	0
55	## END
56	## N-I mksh STDOUT:
57	127
58	127
59	127
60	## END
61
62	#### declare -F prints function names
63	add () { expr 4 + 4; }
64	div () { expr 6 / 2; }
65	ek () { echo hello; }
66	__ec () { echo hi; }
67	_ab () { expr 10 % 3; }
68
69	declare -F
70	## STDOUT:
71	declare -f __ec
72	declare -f _ab
73	declare -f add
74	declare -f div
75	declare -f ek
76	## END
77	## N-I mksh stdout-json: ""
78	## N-I mksh status: 127
79
80	#### declare -p
81	var1() { echo func; } # function names are NOT found.
82	declare -p var1 var2 >/dev/null
83	echo $?
84
85	var1=x
86	declare -p var1 var2 >/dev/null
87	echo $?
88
89	var2=y
90	declare -p var1 var2 >/dev/null
91	echo $?
92	## STDOUT:
93	1
94	1
95	0
96	## N-I mksh STDOUT:
97	127
98	127
99	127
100	## END
101
102	#### typeset -f
103	# mksh implement typeset but not declare
104	typeset -f myfunc func2
105	echo $?
106
107	myfunc() { echo myfunc; }
108	# This prints the source code.
109	typeset -f myfunc func2 > /dev/null
110	echo $?
111
112	func2() { echo func2; }
113	typeset -f myfunc func2 > /dev/null
114	echo $?
115	## STDOUT:
116	1
117	1
118	0
119	## END
120
121	#### typeset -p
122	var1() { echo func; } # function names are NOT found.
123	typeset -p var1 var2 >/dev/null
124	echo $?
125
126	var1=x
127	typeset -p var1 var2 >/dev/null
128	echo $?
129
130	var2=y
131	typeset -p var1 var2 >/dev/null
132	echo $?
133	## STDOUT:
134	1
135	1
136	0
137	## BUG mksh STDOUT:
138	# mksh doesn't respect exit codes
139	0
140	0
141	0
142	## END
143
144	#### typeset -r makes a string readonly
145	typeset -r s1='12'
146	typeset -r s2='34'
147
148	s1='c'
149	echo status=$?
150	s2='d'
151	echo status=$?
152
153	s1+='e'
154	echo status=$?
155	s2+='f'
156	echo status=$?
157
158	unset s1
159	echo status=$?
160	unset s2
161	echo status=$?
162
163	## status: 1
164	## stdout-json: ""
165	## OK mksh status: 2
166	## OK bash status: 0
167	## OK bash STDOUT:
168	status=1
169	status=1
170	status=1
171	status=1
172	status=1
173	status=1
174	## END
175
176	#### typeset -ar makes it readonly
177	typeset -a -r array1=(1 2)
178	typeset -ar array2=(3 4)
179
180	array1=('c')
181	echo status=$?
182	array2=('d')
183	echo status=$?
184
185	array1+=('e')
186	echo status=$?
187	array2+=('f')
188	echo status=$?
189
190	unset array1
191	echo status=$?
192	unset array2
193	echo status=$?
194
195	## status: 1
196	## stdout-json: ""
197	## OK bash status: 0
198	## OK bash STDOUT:
199	status=1
200	status=1
201	status=1
202	status=1
203	status=1
204	status=1
205	## END
206	## N-I mksh status: 1
207	## N-I mksh stdout-json: ""
208
209	#### typeset -x makes it exported
210	typeset -rx PYTHONPATH=lib/
211	printenv.py PYTHONPATH
212	## STDOUT:
213	lib/
214	## END
215
216	#### Multiple assignments / array assignments on a line
217	a=1 b[0+0]=2 c=3
218	echo $a ${b[@]} $c
219	## stdout: 1 2 3
220
221	#### Env bindings shouldn't contain array assignments
222	a=1 b[0]=2 c=3 printenv.py a b c
223	## status: 2
224	## stdout-json: ""
225	## OK bash STDOUT:
226	1
227	None
228	3
229	## END
230	## OK bash status: 0
231	## BUG mksh STDOUT:
232	1
233	2
234	3
235	## END
236	## OK mksh status: 0
237
238	#### syntax error in array assignment
239	a=x b[0+]=y c=z
240	echo $a $b $c
241	## status: 2
242	## stdout-json: ""
243	## BUG bash stdout: x
244	## BUG bash status: 0
245	## OK mksh stdout-json: ""
246	## OK mksh status: 1
247
248	#### declare -g (bash-specific; bash-completion uses it)
249	f() {
250	declare -g G=42
251	declare L=99
252
253	declare -Ag dict
254	dict["foo"]=bar
255
256	declare -A localdict
257	localdict["spam"]=Eggs
258
259	# For bash-completion
260	eval 'declare -Ag ev'
261	ev["ev1"]=ev2
262	}
263	f
264	argv.py "$G" "$L"
265	argv.py "${dict["foo"]}" "${localdict["spam"]}"
266	argv.py "${ev["ev1"]}"
267	## STDOUT:
268	['42', '']
269	['bar', '']
270	['ev2']
271	## END
272	## N-I mksh STDOUT:
273	['', '']
274	## END
275	## N-I mksh status: 1
276
277	#### myvar=typeset (another form of dynamic assignment)
278	myvar=typeset
279	x='a b'
280	$myvar x=$x
281	echo $x
282	## STDOUT:
283	a
284	## END
285	## OK osh STDOUT:
286	a b
287	## END
288
289	#### dynamic array parsing is not allowed
290	code='x=(1 2 3)'
291	typeset -a "$code" # note: -a flag is required
292	echo status=$?
293	argv.py "$x"
294	## STDOUT:
295	status=1
296	['']
297	## END
298	## OK mksh STDOUT:
299	status=0
300	['(1 2 3)']
301	## END
302	# bash allows it
303	## OK bash STDOUT:
304	status=0
305	['1']
306	## END
307
308	#### dynamic flag in array in assign builtin
309	typeset b
310	b=(unused1 unused2) # this works in mksh
311
312	a=(x 'foo=F' 'bar=B')
313	typeset -"${a[@]}"
314	echo foo=$foo
315	echo bar=$bar
316	printenv.py foo
317	printenv.py bar
318
319	# syntax error in mksh! But works in bash and zsh.
320	#typeset -"${a[@]}" b=(spam eggs)
321	#echo "length of b = ${#b[@]}"
322	#echo "b[0]=${b[0]}"
323	#echo "b[1]=${b[1]}"
324
325	## STDOUT:
326	foo=F
327	bar=B
328	F
329	B
330	## END
331
332	#### typeset +x
333	export e=E
334	printenv.py e
335	typeset +x e=E2
336	printenv.py e # no longer exported
337	## STDOUT:
338	E
339	None
340	## END
341
342	#### typeset +r removes read-only attribute
343	readonly r=r1
344	echo r=$r
345
346	# clear the readonly flag. Why is this accepted in bash/mksh, but doesn't do
347	# anything?
348	typeset +r r=r2
349	echo r=$r
350
351	r=r3
352	echo r=$r
353
354	## status: 0
355	## STDOUT:
356	r=r1
357	r=r2
358	r=r3
359	## END
360
361	# bash doesn't allow you to unset
362	## OK mksh status: 2
363	## OK mksh STDOUT:
364	r=r1
365	## END
366
367	# bash doesn't allow you to unset
368	## OK bash status: 0
369	## OK bash STDOUT:
370	r=r1
371	r=r1
372	r=r1
373	## END