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+*remote.txt* For Vim version 9.0. Last change: 2022 Feb 17
+
+
+ VIM REFERENCE MANUAL by Bram Moolenaar
+
+
+Vim client-server communication *client-server*
+
+1. Common functionality |clientserver|
+2. X11 specific items |x11-clientserver|
+3. MS-Windows specific items |w32-clientserver|
+
+==============================================================================
+1. Common functionality *clientserver*
+
+When compiled with the |+clientserver| option, Vim can act as a command
+server. It accepts messages from a client and executes them. At the same
+time, Vim can function as a client and send commands to a Vim server.
+
+The following command line arguments are available:
+
+ argument meaning ~
+
+ --remote [+{cmd}] {file} ... *--remote*
+ Open the file list in a remote Vim. When
+ there is no Vim server, execute locally.
+ There is one optional init command: +{cmd}.
+ This must be an Ex command that can be
+ followed by "|".
+ The rest of the command line is taken as the
+ file list. Thus any non-file arguments must
+ come before this.
+ You cannot edit stdin this way |--|.
+ The remote Vim is raised. If you don't want
+ this use >
+ vim --remote-send "<C-\><C-N>:n filename<CR>"
+<
+ --remote-silent [+{cmd}] {file} ... *--remote-silent*
+ As above, but don't complain if there is no
+ server and the file is edited locally.
+ --remote-wait [+{cmd}] {file} ... *--remote-wait*
+ As --remote, but wait for files to complete
+ (unload) in remote Vim.
+ --remote-wait-silent [+{cmd}] {file} ... *--remote-wait-silent*
+ As --remote-wait, but don't complain if there
+ is no server.
+ *--remote-tab*
+ --remote-tab Like --remote but open each file in a new
+ tabpage.
+ *--remote-tab-silent*
+ --remote-tab-silent Like --remote-silent but open each file in a
+ new tabpage.
+ *--remote-tab-wait*
+ --remote-tab-wait Like --remote-wait but open each file in a new
+ tabpage.
+
+ *--remote-tab-wait-silent*
+ --remote-tab-wait-silent Like --remote-wait-silent but open each file
+ in a new tabpage.
+ *--servername*
+ --servername {name} Become the server {name}. When used together
+ with one of the --remote commands: connect to
+ server {name} instead of the default (see
+ below). The name used will be uppercase.
+ *--remote-send*
+ --remote-send {keys} Send {keys} to server and exit. The {keys}
+ are not mapped. Special key names are
+ recognized, e.g., "<CR>" results in a CR
+ character.
+ *--remote-expr*
+ --remote-expr {expr} Evaluate {expr} in server and print the result
+ on stdout.
+ *--serverlist*
+ --serverlist Output a list of server names.
+
+
+Examples ~
+
+Edit "file.txt" in an already running GVIM server: >
+ gvim --remote file.txt
+
+Edit "file.txt" in an already running server called FOOBAR: >
+ gvim --servername FOOBAR --remote file.txt
+
+Edit "file.txt" in server "FILES" if it exists, become server "FILES"
+otherwise: >
+ gvim --servername FILES --remote-silent file.txt
+
+This doesn't work, all arguments after --remote will be used as file names: >
+ gvim --remote --servername FOOBAR file.txt
+
+Edit file "+foo" in a remote server (note the use of "./" to avoid the special
+meaning of the leading plus): >
+ vim --remote ./+foo
+
+Tell the remote server "BLA" to write all files and exit: >
+ vim --servername BLA --remote-send '<C-\><C-N>:wqa<CR>'
+
+
+SERVER NAME *client-server-name*
+
+By default Vim will try to register the name under which it was invoked (gvim,
+egvim ...). This can be overridden with the --servername argument. If the
+specified name is not available, a postfix is applied until a free name is
+encountered, i.e. "gvim1" for the second invocation of gvim on a particular
+X-server. The resulting name is available in the servername builtin variable
+|v:servername|. The case of the server name is ignored, thus "gvim" and
+"GVIM" are considered equal.
+
+When Vim is invoked with --remote, --remote-wait or --remote-send it will try
+to locate the server name determined by the invocation name and --servername
+argument as described above. If an exact match is not available, the first
+server with the number postfix will be used. If a name with the number
+postfix is specified with the --servername argument, it must match exactly.
+
+If no server can be located and --remote or --remote-wait was used, Vim will
+start up according to the rest of the command line and do the editing by
+itself. This way it is not necessary to know whether gvim is already started
+when sending command to it.
+
+The --serverlist argument will cause Vim to print a list of registered command
+servers on the standard output (stdout) and exit.
+ *{server}*
+The {server} argument is used by several functions. When this is an empty
+string then on Unix the default server name is used, which is "GVIM". On
+MS-Windows an empty string does not work.
+
+Win32 Note: Making the Vim server go to the foreground doesn't always work,
+because MS-Windows doesn't allow it. The client will move the server to the
+foreground when using the --remote or --remote-wait argument and the server
+name starts with "g".
+
+
+REMOTE EDITING
+
+The --remote argument will cause a |:drop| command to be constructed from the
+rest of the command line and sent as described above.
+The --remote-wait argument does the same thing and additionally sets up to
+wait for each of the files to have been edited. This uses the BufUnload
+event, thus as soon as a file has been unloaded, Vim assumes you are done
+editing it.
+Note that the --remote and --remote-wait arguments will consume the rest of
+the command line. I.e. all remaining arguments will be regarded as filenames.
+You can not put options there!
+
+
+FUNCTIONS
+ *E240* *E573*
+There are a number of Vim functions for scripting the command server. See
+the description in |builtin.txt| or use CTRL-] on the function name to jump to
+the full explanation.
+
+ synopsis explanation ~
+ remote_startserver( name) run a server
+ remote_expr( server, string, idvar) send expression
+ remote_send( server, string, idvar) send key sequence
+ serverlist() get a list of available servers
+ remote_peek( serverid, retvar) check for reply string
+ remote_read( serverid) read reply string
+ server2client( serverid, string) send reply string
+ remote_foreground( server) bring server to the front
+
+See also the explanation of |CTRL-\_CTRL-N|. Very useful as a leading key
+sequence.
+The {serverid} for server2client() can be obtained with expand("<client>")
+
+==============================================================================
+2. X11 specific items *x11-clientserver*
+ *E247* *E248* *E251* *E258* *E277*
+
+The communication between client and server goes through the X server. The
+display of the Vim server must be specified. The usual protection of the X
+server is used, you must be able to open a window on the X server for the
+communication to work. It is possible to communicate between different
+systems.
+
+By default, a GUI Vim will register a name on the X-server by which it can be
+addressed for subsequent execution of injected strings. Vim can also act as
+a client and send strings to other instances of Vim on the same X11 display.
+
+When an X11 GUI Vim (gvim) is started, it will try to register a send-server
+name on the 'VimRegistry' property on the root window.
+
+A non GUI Vim with access to the X11 display (|xterm-clipboard| enabled), can
+also act as a command server if a server name is explicitly given with the
+--servername argument, or when Vim was built with the |+autoservername|
+feature.
+
+An empty --servername argument will cause the command server to be disabled.
+
+To send commands to a Vim server from another application, read the source
+file src/if_xcmdsrv.c, it contains some hints about the protocol used.
+
+==============================================================================
+3. Win32 specific items *w32-clientserver*
+
+Every Win32 Vim can work as a server, also in the console. You do not need a
+version compiled with OLE. Windows messages are used, this works on any
+version of MS-Windows. But only communication within one system is possible.
+
+Since MS-Windows messages are used, any other application should be able to
+communicate with a Vim server. An alternative is using the OLE functionality
+|ole-interface|.
+
+When using gvim, the --remote-wait only works properly this way: >
+
+ start /w gvim --remote-wait file.txt
+<
+ vim:tw=78:sw=4:ts=8:noet:ft=help:norl: