Flush memcache from powershell...

Clear-Memcache.ps1

function Clear-Memcache($server, $port = 11211) 
{
    $msg = [System.Text.Encoding]::ASCII.GetBytes("flush_all`r`nquit`r`n")
    $c = New-Object System.Net.Sockets.TcpClient($server, $port)
    $str = $c.GetStream()
    $str.Write($msg, 0, $msg.Length)
    $buf = New-Object System.Byte[] 4096
    $count = $str.Read($buf, 0, 4096)
    [System.Text.Encoding]::ASCII.GetString($buf, 0, $count)
    $str.Close()
    $c.Close()
}