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	#### typeset -a a[1]=a a[3]=c
26	# declare works the same way in bash, but not mksh.
27	# spaces are NOT allowed here.
28	typeset -a a[1*1]=x a[1+2]=z
29	argv.py "${a[@]}"
30	## stdout: ['x', 'z']
31
32	#### indexed LHS without spaces is allowed
33	a[1 * 1]=x a[ 1 + 2 ]=z
34	argv.py "${a[@]}"
35	## stdout: ['x', 'z']
36
37	#### declare -f exit code indicates function existence
38	func2=x # var names are NOT found
39	declare -f myfunc func2
40	echo $?
41
42	myfunc() { echo myfunc; }
43	# This prints the source code.
44	declare -f myfunc func2 > /dev/null
45	echo $?
46
47	func2() { echo func2; }
48	declare -f myfunc func2 > /dev/null
49	echo $?
50	## STDOUT:
51	1
52	1
53	0
54	## END
55	## N-I mksh STDOUT:
56	127
57	127
58	127
59	## END
60
61	#### declare -F prints function names
62	add () { expr 4 + 4; }
63	div () { expr 6 / 2; }
64	ek () { echo hello; }
65	__ec () { echo hi; }
66	_ab () { expr 10 % 3; }
67
68	declare -F
69	## STDOUT:
70	declare -f __ec
71	declare -f _ab
72	declare -f add
73	declare -f div
74	declare -f ek
75	## END
76	## N-I mksh stdout-json: ""
77	## N-I mksh status: 127
78
79	#### declare -p
80	var1() { echo func; } # function names are NOT found.
81	declare -p var1 var2 >/dev/null
82	echo $?
83
84	var1=x
85	declare -p var1 var2 >/dev/null
86	echo $?
87
88	var2=y
89	declare -p var1 var2 >/dev/null
90	echo $?
91	## STDOUT:
92	1
93	1
94	0
95	## N-I mksh STDOUT:
96	127
97	127
98	127
99	## END
100
101	#### typeset -f
102	# mksh implement typeset but not declare
103	typeset -f myfunc func2
104	echo $?
105
106	myfunc() { echo myfunc; }
107	# This prints the source code.
108	typeset -f myfunc func2 > /dev/null
109	echo $?
110
111	func2() { echo func2; }
112	typeset -f myfunc func2 > /dev/null
113	echo $?
114	## STDOUT:
115	1
116	1
117	0
118	## END
119
120	#### typeset -p
121	var1() { echo func; } # function names are NOT found.
122	typeset -p var1 var2 >/dev/null
123	echo $?
124
125	var1=x
126	typeset -p var1 var2 >/dev/null
127	echo $?
128
129	var2=y
130	typeset -p var1 var2 >/dev/null
131	echo $?
132	## STDOUT:
133	1
134	1
135	0
136	## BUG mksh STDOUT:
137	# mksh doesn't respect exit codes
138	0
139	0
140	0
141	## END
142
143	#### typeset -r makes a string readonly
144	typeset -r s1='12'
145	typeset -r s2='34'
146
147	s1='c'
148	echo status=$?
149	s2='d'
150	echo status=$?
151
152	s1+='e'
153	echo status=$?
154	s2+='f'
155	echo status=$?
156
157	unset s1
158	echo status=$?
159	unset s2
160	echo status=$?
161
162	## status: 1
163	## stdout-json: ""
164	## OK mksh status: 2
165	## OK bash status: 0
166	## OK bash STDOUT:
167	status=1
168	status=1
169	status=1
170	status=1
171	status=1
172	status=1
173	## END
174
175	#### typeset -ar makes it readonly
176	typeset -a -r array1=(1 2)
177	typeset -ar array2=(3 4)
178
179	array1=('c')
180	echo status=$?
181	array2=('d')
182	echo status=$?
183
184	array1+=('e')
185	echo status=$?
186	array2+=('f')
187	echo status=$?
188
189	unset array1
190	echo status=$?
191	unset array2
192	echo status=$?
193
194	## status: 1
195	## stdout-json: ""
196	## OK bash status: 0
197	## OK bash STDOUT:
198	status=1
199	status=1
200	status=1
201	status=1
202	status=1
203	status=1
204	## END
205	## N-I mksh status: 1
206	## N-I mksh stdout-json: ""
207
208	#### typeset -x makes it exported
209	typeset -rx PYTHONPATH=lib/
210	printenv.py PYTHONPATH
211	## STDOUT:
212	lib/
213	## END
214
215	#### Multiple assignments / array assignments on a line
216	a=1 b[0+0]=2 c=3
217	echo $a $b $c
218	## stdout: 1 2 3
219
220	#### Env bindings shouldn't contain array assignments
221	a=1 b[0]=2 c=3 printenv.py a b c
222	## status: 2
223	## stdout-json: ""
224	## OK bash STDOUT:
225	1
226	None
227	3
228	## END
229	## OK bash status: 0
230	## BUG mksh STDOUT:
231	1
232	2
233	3
234	## END
235	## OK mksh status: 0
236
237	#### syntax error in array assignment
238	a=x b[0+]=y c=z
239	echo $a $b $c
240	## status: 2
241	## stdout-json: ""
242	## BUG bash stdout: x
243	## BUG bash status: 0
244	## OK mksh stdout-json: ""
245	## OK mksh status: 1
246
247	#### declare -g (bash-specific; bash-completion uses it)
248	f() {
249	declare -g G=42
250	declare L=99
251
252	declare -Ag dict
253	dict["foo"]=bar
254
255	declare -A localdict
256	localdict["spam"]=Eggs
257
258	# For bash-completion
259	eval 'declare -Ag ev'
260	ev["ev1"]=ev2
261	}
262	f
263	argv.py "$G" "$L"
264	argv.py "${dict["foo"]}" "${localdict["spam"]}"
265	argv.py "${ev["ev1"]}"
266	## STDOUT:
267	['42', '']
268	['bar', '']
269	['ev2']
270	## END
271	## N-I mksh STDOUT:
272	['', '']
273
274	## END
275	## N-I mksh status: 1
276