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	### using loop var outside loop
31	func() {
32	for i in a b c; do
33	echo $i
34	done
35	echo $i
36	}
37	func
38	# stdout-json: "a\nb\nc\nc\n"
39
40	### continue
41	for i in a b c; do
42	echo $i
43	continue
44	echo $i
45	done
46	# stdout-json: "a\nb\nc\n"
47
48	### break
49	for i in a b c; do
50	echo $i
51	break
52	done
53	# stdout: a
54
55	### while in while condition
56	# This is a consequence of the grammar
57	while while true; do echo cond; break; done
58	do
59	echo body
60	break
61	done
62	# stdout-json: "cond\nbody\n"
63
64	### while in pipe
65	i=0
66	find tests/ | while read $path; do
67	i=$((i+1))
68	#echo $i
69	done
70	# This Because while loop was in a subshell
71	echo $i
72	# stdout: 0
73
74	### while in pipe with subshell
75	i=0
76	find bin/ -type f | ( while read path; do
77	i=$((i+1))
78	#echo $i
79	done
80	echo $i )
81	# stdout: 1
82
83	### until loop
84	# This is just the opposite of while? while ! cond?
85	until false; do
86	echo hi
87	break
88	done
89	# stdout: hi