# make sure redirections do not have access to the temporary environment, even
# in subshells and command substitutions
a=1
a=4 b=7 ss=4 echo $a
a=42
a=2 echo foo >&$a
a=2 echo foo >&$(echo $a)
foo()
{
local -i a
local v=0 x=1
a+=3
echo $a
}
a=4 b=7 ss=4 declare -i ss
a=4 b=7 foo
echo after: $a
unset a
a=4 echo foo >&$(foo)
a=1 echo foo >&$(foo)
a=1 echo foo >&$(a=4 foo)
echo foo >&$(a=4 foo)
a=42
a=2 echo foo >&$a
a=2 echo foo >&$(echo $a)
unset -f foo
foo()
{
local -i a
local v=0 x=1
a+=3
echo $a >&$(ss= declare -i ss)
}
a=4 b=7 foo
echo after: $a
unset a
typeset -i a
a=4 eval echo $(echo a+=3)
a=2
a=9 echo foo >&$(echo $a)
a=2
a=9 eval echo foo >&$(echo $a)
a=2
a=9 eval echo foo '>&$(echo $a)'