Carsten Dominik <dominik@science.uva.nl> writes:

> I just found file-remote-p, which may be the right solution.

XEmacs and Emacs22 both have this function, but in case you need
backwards compatibility with Emacs21, feel free to use something like
the following.  This handles both Tramp and ange-ftp file specifiers.

(defun org-file-remote-p (file)
  "Test whether FILE specifies a location on a remote system.
Return non-nil if the location is indeed remote.

For example, the filename \"/user@host:/foo\" specifies a location
on the system \"/user@host:\"."
  (cond ((fboundp 'file-remote-p)
         (file-remote-p file))
        ((fboundp 'tramp-handle-file-remote-p)
         (tramp-handle-file-remote-p file))
        ((and (boundp 'ange-ftp-name-format)
              (string-match ange-ftp-name-format file))
         t)
        (t nil)))

-- 
Michael Olson -- FSF Associate Member #652 -- http://www.mwolson.org/
Interests: Emacs Lisp, text markup, protocols -- Jabber: mwolson_at_hcoop.net
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