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dbus-send

DBUS-SEND(1)							   User Commands						      DBUS-SEND(1)

NAME

       dbus-send - Send a message to a message bus

SYNOPSIS

       dbus-send [--system | --session | --address=ADDRESS] [--dest=NAME] [--print-reply [=literal]] [--reply-timeout=MSEC] [--type=TYPE]
		 OBJECT_PATH INTERFACE.MEMBER [CONTENTS...]

DESCRIPTION

       The dbus-send command is used to send a message to a D-Bus message bus. See http://www.freedesktop.org/software/dbus/ for more information
       about the big picture.

       There are two well-known message buses: the systemwide message bus (installed on many systems as the "messagebus" service) and the
       per-user-login-session message bus (started each time a user logs in). The --system and --session options direct dbus-send to send messages
       to the system or session buses respectively. If neither is specified, dbus-send sends to the session bus.

       Nearly all uses of dbus-send must provide the --dest argument which is the name of a connection on the bus to send the message to. If
       --dest is omitted, no destination is set.

       The object path and the name of the message to send must always be specified. Following arguments, if any, are the message contents
       (message arguments). These are given as type-specified values and may include containers (arrays, dicts, and variants) as described below.

	   <contents>	::= <item> | <container> [ <item> | <container>...]
	   <item>	::= <type>:<value>
	   <container>	::= <array> | <dict> | <variant>
	   <array>	::= array:<type>:<value>[,<value>...]
	   <dict>	::= dict:<type>:<type>:<key>,<value>[,<key>,<value>...]
	   <variant>	::= variant:<type>:<value>
	   <type>	::= string | int16 | uint16 | int32 | uint32 | int64 | uint64 | double | byte | boolean | objpath

       D-Bus supports more types than these, but dbus-send currently does not. Also, dbus-send does not permit empty containers or nested
       containers (e.g. arrays of variants).

       Here is an example invocation:

	     dbus-send --dest=org.freedesktop.ExampleName		
		       /org/freedesktop/sample/object/name		
		       org.freedesktop.ExampleInterface.ExampleMethod	
		       int32:47 string:'hello world' double:65.32	
		       array:string:"1st item","next item","last item"	
		       dict:string:int32:"one",1,"two",2,"three",3	
		       variant:int32:-8 				
		       objpath:/org/freedesktop/sample/object/name

       Note that the interface is separated from a method or signal name by a dot, though in the actual protocol the interface and the interface
       member are separate fields.

OPTIONS

       The following options are supported:

       --dest=NAME
	   Specify the name of the connection to receive the message.

       --print-reply
	   Block for a reply to the message sent, and print any reply received in a human-readable form. It also means the message type (--type=)
	   is method_call.

       --print-reply=literal
	   Block for a reply to the message sent, and print the body of the reply. If the reply is an object path or a string, it is printed
	   literally, with no punctuation, escape characters etc.

       --reply-timeout=MSEC
	   Wait for a reply for up to MSEC milliseconds. The default is implementation-defined, typically 25 seconds.

       --system
	   Send to the system message bus.

       --session
	   Send to the session message bus. (This is the default.)

       --address=ADDRESS
	   Send to ADDRESS.

       --type=TYPE
	   Specify method_call or signal (defaults to "signal").

AUTHOR

       dbus-send was written by Philip Blundell.

BUGS

       Please send bug reports to the D-Bus mailing list or bug tracker, see http://www.freedesktop.org/software/dbus/

D-Bus 1.12.2															      DBUS-SEND(1)

Programming