Invoke-Express 执行多个批处理命令的函数

function Mult_ping ($ips)
{
# $cmdline = "PIng"
foreach ($ip in $ips)
{
$cmdline = "ping " + $ip + " -n 1"
iex $cmdline
#invoke-expression = iex
}

}

Mult_ping (gc e:\ips.txt)