From: "Charles C. Berry" <ccberry@ucsd.edu>
To: Benda Xu <heroxbd@gentoo.org>
Cc: emacs-orgmode@gnu.org
Subject: Re: remote plot with local output?
Date: Fri, 18 Sep 2015 11:11:33 -0700 [thread overview]
Message-ID: <alpine.OSX.2.20.1509181106410.424@charles-berrys-macbook.local> (raw)
In-Reply-To: <874mis2je5.fsf@gentoo.org>
On Fri, 18 Sep 2015, Benda Xu wrote:
> Hi,
>
> Benda Xu <heroxbd@gentoo.org> writes:
>
>> "Charles C. Berry" <ccberry@ucsd.edu> writes:
>>
>>> Untested, but try this :
>>>
>>> #+name: localize
>>> #+BEGIN_SRC emacs-lisp :var file="" srcinfo=(org-babel-get-src-block-info)
>>> (let* ((dir (cdr (assoc :dir (nth 2 srcinfo))))
>>> (rfile (concat (file-name-as-directory dir) file))
>>> (lfile (car (last (split-string rfile ":")))))
>>> (copy-file rfile lfile 1)
>>> lfile)
>>> #+END_SRC
>>>
>>> then use
>>>
>>> #+HEADER: :post localize(*this*)
>>>
>>> in your python src block.
>>
>> It successfully extracts the :dir field. Thanks!
>
> Python works this way. But babel R has a completely different *this*
> value. Consider the following example:
>
> #+BEGIN_SRC R :results output graphics :file line.png :dir /ipmuap02:/tmp
> plot(c(1,2,3))
> #+END_SRC
>
> #+RESULTS:
> [[file:/scp:ipmuap02:/tmp/line.png]]
>
> *this* equals "[[file:/scp:ipmuap02:/tmp/line.png]]", but in babel
> python *this* equals "line.png".
>
> So I come up with
>
> #+name: localize
> #+BEGIN_SRC emacs-lisp :var file="" srcinfo=(org-babel-get-src-block-info)
> (let ((lang (car srcinfo)))
> (cond ((string= lang "python")
> (let* ((dir (cdr (assoc :dir (nth 2 srcinfo))))
> (rfile (concat (file-name-as-directory dir) file))
> (lfile (car (last (split-string rfile ":")))))
> (copy-file rfile lfile 1)
> lfile))
> ((string= lang "R")
> (let* ((rfile (substring file 7 -2))
> (lfile (car (last (split-string rfile ":")))))
> (copy-file rfile lfile 1)
> (concat "[[file:" lfile "]]")))))
> #+END_SRC
>
> But the result is a string rather than a file link:
>
> #+HEADER: :post localize(*this*)
> #+BEGIN_SRC R :results output graphics :file line.png :dir /ipmuap02:/tmp
> plot(c(1,2,3))
> #+END_SRC
>
> #+RESULTS:
> : [[file:/tmp/line.png]]
>
> Any hints?
>
Forget *this* and use the
(cdr (assoc :file (nth 2 srcinfo))
to get the file name. That should work the same way regardless of
language.
Chuck
prev parent reply other threads:[~2015-09-18 18:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-14 15:11 remote plot with local output? Benda Xu
2015-09-14 16:48 ` Suvayu Ali
2015-09-15 8:54 ` Benda Xu
2015-09-15 8:57 ` Benda Xu
2015-09-14 20:42 ` Charles C. Berry
2015-09-15 8:28 ` Benda Xu
2015-09-15 16:19 ` Charles C. Berry
2015-09-16 2:13 ` Benda Xu
2015-09-18 8:58 ` Benda Xu
2015-09-18 18:11 ` Charles C. Berry [this message]
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