From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Cook, Malcolm" <MEC@stowers.org>
Subject: Re: Using tramp to run R source code blocks on remote server
Date: Fri, 22 Apr 2016 18:22:02 +0000
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To: "'Charles C. Berry'" <ccberry@ucsd.edu>, 'Nick Dokos' <ndokos@gmail.com>
Cc: "'emacs-orgmode@gnu.org'" <emacs-orgmode@gnu.org>

> On Fri, 22 Apr 2016, Nick Dokos wrote:
 >=20
 > > Vikas Rawal <vikaslists@agrarianresearch.org> writes:
 > >
 > >>         I am trying to run R source code blocks on a remote server (d=
efined in
 > my ~/.ssh/config as
 > >>         cesp).
 > >>
 > >>         I am facing several problems.
 > >>
 > >>         1.  The following sample block, when used with ":results valu=
e" does
 > not give any results.
 > >>
 > >>         #+NAME: level1
 > >>         #+begin_src R :results value :exports results :colnames yes :=
hline yes
 > :session cesp :dir /cesp:
 > >>         /home/vikas/
 > >>         c(1:5)
 > >>         #+end_src
 > >>
 > >>         I get the following message:
 > >>
 > >>         tramp-flush-directory-property: Wrong type argument: arrayp, =
nil
 > >>
 > >
 > > You might also want to ping Michael Albinus on the tramp mailing list =
about
 > > this.
 > >
 >=20
 >=20
 > And contrary to what I said earlier this *is* related to compilation. No=
t
 > sure if this is a tramp issue for ob-comint.el issue.

I do not trust org-reload.  If I want a fresh org environment, I quit and r=
estart emacs.

Also, when I am playing with effect of (re)compiling org, I don't compile i=
t with org already loaded.  I compile it in a fresh emacs.

I don't trust results gained other ways.

YMMV

 >=20
 > Details:
 >=20
 > If I run org-reload uncompiled, C-u C-c C-x !, code like
 >=20
 > #+BEGIN_SRC R :session :dir /user@remote:/userdir
 > c(3,2,6)
 > #+END_SRC
 >=20
 > runs fine and produces the expected result.
 >=20
 > But reloading compiled, C-c C-x !, the code produces the
 >=20
 > : tramp-flush-directory-property: Wrong type argument: arrayp, nil
 >=20
 > message.
 >=20
 > HTH,
 >=20
 > Chuck