1	#!/usr/bin/env bash
2
3	#### Locals don't leak
4	f() {
5	local f_var=f_var
6	}
7	f
8	echo $f_var
9	## stdout:
10
11	#### Globals leak
12	f() {
13	f_var=f_var
14	}
15	f
16	echo $f_var
17	## stdout: f_var
18
19	#### Return statement
20	f() {
21	echo one
22	return 42
23	echo two
24	}
25	f
26	## stdout: one
27	## status: 42
28
29	#### Dynamic Scope
30	f() {
31	echo $g_var
32	}
33	g() {
34	local g_var=g_var
35	f
36	}
37	g
38	## stdout: g_var
39
40	#### Dynamic Scope Mutation (wow this is bad)
41	f() {
42	g_var=f_mutation
43	}
44	g() {
45	local g_var=g_var
46	f
47	echo "g: $g_var"
48	}
49	g
50	## stdout: g: f_mutation
51
52	#### Assign local separately
53	f() {
54	local f
55	f='new-value'
56	echo "[$f]"
57	}
58	f
59	## stdout: [new-value]
60	## status: 0
61
62	#### Assign a local and global on same line
63	myglobal=
64	f() {
65	local mylocal
66	mylocal=L myglobal=G
67	echo "[$mylocal $myglobal]"
68	}
69	f
70	echo "[$mylocal $myglobal]"
71	## stdout-json: "[L G]\n[ G]\n"
72	## status: 0
73
74	#### Return without args gives previous
75	f() {
76	( exit 42 )
77	return
78	}
79	f
80	echo status=$?
81	## STDOUT:
82	status=42
83	## END