1	#!/bin/bash
2
3	### implicit for loop
4	# This is like "for i in $@".
5	func() {
6	for i; do
7	echo $i
8	done
9	}
10	func 1 2 3
11	# stdout-json: "1\n2\n3\n"
12
13	### empty for loop (has "in")
14	set -- 1 2 3
15	for i in ; do
16	echo $i
17	done
18	# stdout-json: ""
19	# BUG mksh stdout-json: "1\n2\n3\n"
20
21	### for loop with invalid identifier
22	# should be compile time error, but runtime error is OK too
23	for - in a b c; do
24	echo hi
25	done
26	# stdout-json: ""
27	# status: 2
28	# OK bash/mksh status: 1
29
30	### Tilde expansion within for loop
31	HOME=/home/bob
32	for name in ~/src ~/git; do
33	echo $name
34	done
35	# stdout-json: "/home/bob/src\n/home/bob/git\n"
36
37	### Brace Expansion within Array
38	for i in -{a,b} {c,d}-; do
39	echo $i
40	done
41	# stdout-json: "-a\n-b\nc-\nd-\n"
42	# N-I dash stdout-json: "-{a,b}\n{c,d}-\n"
43
44	### using loop var outside loop
45	func() {
46	for i in a b c; do
47	echo $i
48	done
49	echo $i
50	}
51	func
52	# stdout-json: "a\nb\nc\nc\n"
53
54	### continue
55	for i in a b c; do
56	echo $i
57	continue
58	echo $i
59	done
60	# stdout-json: "a\nb\nc\n"
61
62	### break
63	for i in a b c; do
64	echo $i
65	break
66	done
67	# stdout: a
68
69	### while in while condition
70	# This is a consequence of the grammar
71	while while true; do echo cond; break; done
72	do
73	echo body
74	break
75	done
76	# stdout-json: "cond\nbody\n"
77
78	### while in pipe
79	i=0
80	find tests/ | while read $path; do
81	i=$((i+1))
82	#echo $i
83	done
84	# This Because while loop was in a subshell
85	echo $i
86	# stdout: 0
87
88	### while in pipe with subshell
89	i=0
90	find bin/ -type f | ( while read path; do
91	i=$((i+1))
92	#echo $i
93	done
94	echo $i )
95	# stdout: 1
96
97	### until loop
98	# This is just the opposite of while? while ! cond?
99	until false; do
100	echo hi
101	break
102	done
103	# stdout: hi