dblsn [ options ] -l message-handler [ -l message-handler... ]

message-handler : 
[ polling-option;... ] [ filter;... ]action; [ option;... ]

polling-option :
 [ ;poll_connect = string ]
 [ ;poll_notifier = string ]
 [ ;poll_key = string ]
 [ ;poll_every = number ]

option :
 [ ;continue = yes ]
 [ ;confirm_action = yes ]
 [ ;confirm_delivery = no ]
 [ ;maydial = no ]

filter :
 [ subject = string ]
 [ content = string ]
 [ message = string | message_start = string ]
 [ sender = string ]

action :
  action = command[;altaction = command ]

command :
  START program [ program-arguments ]
  | RUN program [ program-arguments ]
  | POST window-message TO { window-class-name | window-title }
  | tcpip-socket-action
  | DBLSN FULL SHUTDOWN

tcpip-socket-action :
  SOCKET port=app-port
  [ ;host=app-host ]
  [ ;sendText=text1 ]
  [ ;recvText= text2 [ ;timeout=num-sec ] ]

window-message : string | message-id

dblsn 的 -l 消息处理程序是分号分隔的 [名称=值] 对。[名称=值] 对中的字符串值需要由单引号括起来；否则，如果字符串值中含有分号，则 dblsn 将启动失败。

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