use Win32::NetResource;

    $ShareInfo = {
                    'path' => "C:\\MyShareDir",
                    'netname' => "MyShare",
                    'remark' => "It is good to share",
                    'passwd' => "",
                    'current-users' =>0,
                    'permissions' => 0,
                    'maxusers' => -1,
                    'type'  => 0,
                    };
   
    Win32::NetResource::NetShareAdd( $ShareInfo,$parm )
        or die "unable to add share";