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 )