hackvr:         if [ "%u" ];then USER="%u";fi;ncat '%d' '%P' -c "echo $USER action %p;hackvr_uri"
hackvr+ssh:     if [ '%u' ];then u='%u@';fi ; if [ "%P" ];then P='-p %P';fi; hackvr_coproc ssh "$u"'%d' $P "/var/hackvr/hackvr-subsystem" '%p'