1v=v
2v=`echo First >&2` `` >/cant/be/created
3echo One:$? v1:"[$v]"
4
5v=v
6v=`echo Second >&2` `true` >/cant/be/created
7echo One:$? v2:"[$v]"
8
9v=v
10v=`echo Third >&2` `true` 2>/dev/null
11echo Zero:$? v3:"[$v]"
12
13v=v
14v=`echo Fourth >&2` `false` 2>/dev/null
15echo Zero:$? v4:"[$v]"
16
17v=v
18v=`echo $?` `false` 2>/dev/null
19echo Zero:$? v5:"[$v]"
20