From: Henning Redestig <henning.red@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: org babel before excute hook
Date: Sun, 13 Oct 2013 23:22:28 +0200 [thread overview]
Message-ID: <CAO8D54zt=yTZozBf3cPrg3Pu2zpX8xuW9Pw6MEq6--Y=nuSErA@mail.gmail.com> (raw)
In-Reply-To: <loom.20131012T040759-761@post.gmane.org>
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Is it possible to add a function to org-ctrl-c-ctrl-c-hook without patching
ob-core.el? If I just add something like
(add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-stop-if-file-collision)
in my .emacs I notice that my addition gets overwritten later via the
autoloads (I think) that are defined in ob-core.el..
2013/10/12 Charles Berry <ccberry@ucsd.edu>
> John Kitchin <jkitchin <at> andrew.cmu.edu> writes:
>
> >
> >
> >
> > I have a related kind of problem. When preparing notes
> > for a class, I may end up with 70 code blocks in an org file, many of
> > which create graphics. I am always worried about accidentally using the
> > same filename and overwriting a graphic from an earlier block. A unique,
> > but reproducible filename would be sufficient for my needs.
> >
>
> Header arg values can be elisp calls. You can use `make-temp-file'.
>
> So every time this block is executed, a new file is created and the
> file link is added to the results.
>
> #+BEGIN_SRC R :results output append :file (make-temp-file "temp")
> cat(date(),"\n")
> #+END_SRC
>
> #+RESULTS:
> [[file:/var/folders/kb/2hchpbyj7lb6z76l0q73w_fh0000gn/T/temp302IjV]]
> [[file:/var/folders/kb/2hchpbyj7lb6z76l0q73w_fh0000gn/T/temp3028Lu]]
>
> See `temporary-file-directory', too, if you want to use this, as the
> default may not be what you intend.
>
>
> You might want to use this:
>
> #+BEGIN_SRC emacs-lisp
> (defun local-tfile (file)
> (let ((temporary-file-directory "."))
> (make-temp-file file)))
> #+END_SRC
>
> Then the files go in the local directory when this is executed:
>
> #+BEGIN_SRC R :file (local-tfile "tfile") :results output append
> cat(date(),"\n")
> #+END_SRC
>
> You might not want `append' in this case.
>
>
> HTH,
>
> Chuck
>
> [rest deleted]
>
>
>
>
>
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next prev parent reply other threads:[~2013-10-13 21:22 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 13:56 org babel before excute hook Henning Redestig
2013-10-11 20:31 ` John Kitchin
2013-10-12 2:28 ` Charles Berry
2013-10-12 13:11 ` Henning Redestig
2013-10-13 21:22 ` Henning Redestig [this message]
2013-10-13 21:35 ` Samuel Wales
2013-10-14 6:45 ` Henning Redestig
2013-10-14 8:11 ` [babel] Feature request - WAS: " Rainer M Krug
2013-10-14 13:24 ` Eric Schulte
2013-10-26 22:05 ` Samuel Wales
2013-10-14 13:29 ` Eric Schulte
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