2 (
3 	for i in a b c
4 	do
5 		foo || exit 1
6 		bar &&
7 		baz
8 	done
9 ) &&
10 (
11 	while true
12 	do
13 		foo || exit 1
14 		bar &&
15 		baz
16 	done
17 ) &&
18 (
19 	i=0 &&
20 	while test $i -lt 10
21 	do
22 		echo $i || exit
23 		i=$(($i + 1))
24 	done
25 )