Commit 62256aa7 authored by Michael Albinus's avatar Michael Albinus
Browse files

* files.texi (Magic File Names): Introduce optional parameter

CONNECTED for `file-remote-p'.
parent 7aa8eec2
2007-07-08 Michael Albinus <>
* files.texi (Magic File Names): Introduce optional parameter
CONNECTED for `file-remote-p'.
2007-07-07 Michael Albinus <>
* process.texi (Asynchronous Processes):
* processes.texi (Asynchronous Processes):
* files.texi (Magic File Names): Add `start-file-process'.
2007-06-27 Richard Stallman <>
......@@ -2768,7 +2768,7 @@ nothing and returns @code{nil}. Otherwise it returns the file name
of the local copy file.
@end defun
@defun file-remote-p filename
@defun file-remote-p filename &optional connected
This function tests whether @var{filename} is a remote file. If
@var{filename} is local (not remote), the return value is @code{nil}.
If @var{filename} is indeed remote, the return value is a string that
......@@ -2777,7 +2777,7 @@ identifies the remote system.
This identifier string can include a host name and a user name, as
well as characters designating the method used to access the remote
system. For example, the remote identifier string for the filename
@code{/ssh:user@@host:/some/file} is @code{/ssh:user@@host:}.
@code{/sudo::/some/file} is @code{/sudo:root@@localhost:}.
If @code{file-remote-p} returns the same identifier for two different
filenames, that means they are stored on the same file system and can
......@@ -2785,6 +2785,12 @@ be accessed locally with respect to each other. This means, for
example, that it is possible to start a remote process accessing both
files at the same time. Implementors of file handlers need to ensure
this principle is valid.
The optional parameter @var{connected}, when passed non-@code{nil},
triggers an additional check whether the remote system has been
connected already. The function returns then @code{nil} if there is
no corresponding open connection, even if @var{filename} is remote.
This can be used to avoid unnecessary connection attempts.
@end defun
@defun unhandled-file-name-directory filename
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