1	#!/usr/bin/env bash
2
3	#### echo keyword
4	echo done
5	## stdout: done
6
7	#### if/else
8	if false; then
9	echo THEN
10	else
11	echo ELSE
12	fi
13	## stdout: ELSE
14
15	#### Turn an array into an integer.
16	a=(1 2 3)
17	(( a = 42 ))
18	echo $a
19	## stdout: 42
20	## N-I dash/ash stdout-json: ""
21	## N-I dash/ash status: 2
22
23	#### Nested % and # operators (looks like a bug, reported by Crestwave)
24	var=$'\n'
25	argv.py "${var#?}"
26	argv.py "${var%''}"
27	argv.py "${var%"${var#?}"}"
28	var='a'
29	argv.py "${var#?}"
30	argv.py "${var%''}"
31	argv.py "${var%"${var#?}"}"
32	## STDOUT:
33	['']
34	['\n']
35	['\n']
36	['']
37	['a']
38	['a']
39	## END
40	## N-I dash STDOUT:
41	['\\n']
42	['$\\n']
43	['$']
44	['']
45	['a']
46	['a']
47	## END
48
49	#### # operator with single quoted arg (dash/ash and bash/mksh disagree, reported by Crestwave)
50	var=a
51	echo -${var#'a'}-
52	echo -"${var#'a'}"-
53	var="'a'"
54	echo -${var#'a'}-
55	echo -"${var#'a'}"-
56	## STDOUT:
57	--
58	--
59	-'a'-
60	-'a'-
61	## END
62	## OK dash/ash STDOUT:
63	--
64	-a-
65	-'a'-
66	--
67	## END
68
69	#### / operator with single quoted arg (causes syntax error in regex in OSH, reported by Crestwave)
70	var="++--''++--''"
71	echo no plus or minus "${var//[+-]}"
72	echo no plus or minus "${var//['+-']}"
73	## STDOUT:
74	no plus or minus ''''
75	no plus or minus ''''
76	## END
77	## status: 0
78	## OK osh STDOUT:
79	no plus or minus ''''
80	## END
81	## OK osh status: 1
82	## BUG ash STDOUT:
83	no plus or minus ''''
84	no plus or minus ++--++--
85	## END
86	## BUG ash status: 0
87	## N-I dash stdout-json: ""
88	## N-I dash status: 2