1	#
2	# Test the case statement
3
4	#### Case statement
5	case a in
6	a) echo A ;;
7	*) echo star ;;
8	esac
9
10	for x in a b; do
11	case $x in
12	# the pattern is DYNAMIC and evaluated on every iteration
13	$x) echo loop ;;
14	*) echo star ;;
15	esac
16	done
17	## STDOUT:
18	A
19	loop
20	loop
21	## END
22
23	#### Case statement with ;;&
24	# ;;& keeps testing conditions
25	# NOTE: ;& and ;;& are bash 4 only, no on Mac
26	case a in
27	a) echo A ;;&
28	*) echo star ;;&
29	*) echo star2 ;;
30	esac
31	## status: 0
32	## STDOUT:
33	A
34	star
35	star2
36	## END
37	## N-I dash stdout-json: ""
38	## N-I dash status: 2
39
40	#### Case statement with ;&
41	# ;& ignores the next condition. Why would that be useful?
42	case a in
43	a) echo A ;&
44	XX) echo two ;&
45	YY) echo three ;;
46	esac
47	## status: 0
48	## STDOUT:
49	A
50	two
51	three
52	## END
53	## N-I dash stdout-json: ""
54	## N-I dash status: 2
55
56	#### Case with empty condition
57	case $empty in
58	''|foo) echo match ;;
59	*) echo no ;;
60	esac
61	## stdout: match
62
63	#### Match a literal with a glob character
64	x='*.py'
65	case "$x" in
66	'*.py') echo match ;;
67	esac
68	## stdout: match
69
70	#### Match a literal with a glob character with a dynamic pattern
71	x='b.py'
72	pat='[ab].py'
73	case "$x" in
74	$pat) echo match ;;
75	esac
76	## stdout: match
77
78	#### Quoted literal in glob pattern
79	x='[ab].py'
80	pat='[ab].py'
81	case "$x" in
82	"$pat") echo match ;;
83	esac
84	## stdout: match
85
86	#### Multiple Patterns Match
87	x=foo
88	result='-'
89	case "$x" in
90	f*|*o) result="$result X"
91	esac
92	echo $result
93	## stdout: - X
94
95	#### Match one unicode char
96
97	# These two code points form a single character.
98	two_code_points="__$(echo $'\u0061\u0300')__"
99
100	# U+0061 is A, and U+0300 is an accent.
101	#
102	# (Example taken from # https://blog.golang.org/strings)
103	#
104	# However ? in bash/zsh only counts CODE POINTS. They do NOT take into account
105	# this case.
106
107	for s in '__a__' '__μ__' "$two_code_points"; do
108	case $s in
109	__?__)
110	echo yes
111	;;
112	*)
113	echo no
114	esac
115	done
116	## STDOUT:
117	yes
118	yes
119	no
120	## END
121	## BUG dash/mksh STDOUT:
122	yes
123	no
124	no
125	## END
126
127	#### case with single byte LC_ALL=C
128
129	LC_ALL=C
130
131	c=$(printf \\377)
132
133	# OSH prints -1 here
134	#echo "${#c}"
135
136	case $c in
137	'') echo a ;;
138	"$c") echo b ;;
139	esac
140
141	## STDOUT:
142	b
143	## END
144
145	#### \(\) in pattern (regression)
146	s='foo()'
147
148	case $s in
149	*\(\)) echo 'match'
150	esac
151
152	case $SH in (dash) exit;; esac # not implemented
153
154	shopt -s extglob
155
156	case $s in
157	*(foo|bar)'()') echo 'extglob'
158	esac
159	## STDOUT:
160	match
161	extglob
162	## END
163	## N-I dash STDOUT:
164	match
165	## END