01	echo hi
02	date
03	date ;
04	trap 'echo mytrap' EXIT; date
05	date; echo hi
06	echo hi; date
07	date; date
08	{ date; date; }
09	date; { date; }
10	. _tmp/sourced.sh
11	(echo hi)
12	(date)
13	( ( date ) )
14	( ( date ) ); echo hi
15	echo hi; (date)
16	echo hi; (date;)
17	echo hi; (echo hi;)
18	echo hi; (echo hi; date)
19	( echo hi ); echo hi
20	date > /tmp/redir.txt
21	(date;) > /tmp/sentence.txt
22	date 2> /tmp/stderr.txt | wc -l
23	echo hi > /tmp/redir.txt
24	(echo hi;) > /tmp/sentence.txt
25	echo hi 2> /tmp/stderr.txt | wc -l
26	(date; echo hi)
27	echo $(date)
28	echo $(echo hi)
29	echo $( ( date ) )
30	echo $( ( date ); echo hi )
31	( echo hi ); echo done
32	date | wc -l
33	! date | wc -l
34	echo a | wc -l
35	command echo a | wc -l
36	command date | wc -l
37	! command date | wc -l
38	( date ) | wc -l
39	date | read x
40	{ echo a; echo b; } | wc -l
41	{ echo a; echo b; } | wc -l; echo done
42	{ echo a; date; } | wc -l
43	( echo a; echo b ) | wc -l
44	( echo a; echo b ) | ( wc -l )
45	{ echo prefix; ( echo a; echo b ); } | ( wc -l )
46	echo hi & wait
47	date & wait
48	echo hi | wc -l & wait
49	date | wc -l & wait
50	trap 'echo mytrap' EXIT; date & wait
51	trap 'echo mytrap' EXIT; date | wc -l & wait
52	{ trap 'echo mytrap' EXIT; date; } & wait