vredir6.sub

来自「android-w.song.android.widget」· SUB 代码 · 共 15 行

unset v
exec {v}</dev/null

if (( v >= 10 )); then echo ok 1; else echo bad 1; fi

exec {v}<&-

ulimit -n 6

exec </dev/null

unset v
exec {v}</dev/null
echo ${v-unset}