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From: Nick Dokos <nicholas.dokos@hp.com>
To: =?UTF-8?B?QW5kcmVhcyBSw7ZobGVy?= <andreas.roehler@easy-emacs.de>
Cc: emacs-orgmode@gnu.org
Subject: Re: :session question
Date: Wed, 27 Mar 2013 07:48:25 -0400	[thread overview]
Message-ID: <10996.1364384905@alphaville> (raw)
In-Reply-To: Message from =?UTF-8?B?QW5kcmVhcyBSw7ZobGVy?= <andreas.roehler@easy-emacs.de> of "Wed\, 27 Mar 2013 12\:37\:28 BST." <5152D9F8.3040404@easy-emacs.de>

Andreas Röhler <andreas.roehler@easy-emacs.de> wrote:

> Am 27.03.2013 10:27, schrieb Andreas Leha:
> > Andreas Röhler <andreas.roehler@easy-emacs.de> writes:
> >
> >> Am 26.03.2013 16:31, schrieb Eric Schulte:
> >>> Achim Gratz <Stromeko@Nexgo.DE> writes:
> >>>
> >>>> Am 26.03.2013 13:37, schrieb Eric Schulte:
> >>>>> This can be done system wide by setting the language-specific header
> >>>>> arguments.
> >>>>
> >>>> I've yet to see an example on how to do this.
> >>>>
> >>>
> >>>       #+begin_src emacs-lisp
> >>>         (setq org-babel-default-header-args:R
> >>>               '((:session . "org-R")))
> >>>       #+end_src
> >>>
> >>>       #+RESULTS:
> >>>       | (:session . org-R) |
> >>>
> >>>       #+begin_src R
> >>>       x <- 1
> >>>       x
> >>>       #+end_src
> >>>
> >>>       #+RESULTS:
> >>>       : 1
> >>>
> >>>       #+begin_src R
> >>>       x
> >>>       #+end_src
> >>>
> >>>       #+RESULTS:
> >>>       : 1
> >>>
> >>>>
> >>
> >> Hi,
> >>
> >> this looks very confusing for me.
> >>
> >> So, what is the purpose of a named session?
> >> Understood it being a name-space, whose values don't affect the other ones.
> >> What's in python-mode a dedicated shell.
> >
> > I can't speak for python, but in R, every differently named session will
> > run within its own R process.
> >
> > The cool thing is, that I can work on file_foo.org and file_bar.org
> > simultaneously, when file_foo.org uses R-session *foo* and file_bar.org
> > uses R-session *bar*.
> >
> > [...]
> >
> > Regards,
> > Andreas
> >
> >
> >
> >
> 
> 
> Okay, that's the expected usage.
> How do you read the example displayed?
> 
> Looks like a named (:session . "org-R") affects global R namespace.
> 
> What did "org-R" say here, what might be the purpose?
> 
> Assume it should switch it on. Then "org-R" represents a boolean here?
> 

"org-R" is the name of the session. The code blocks illustrate that the
value of x (set in the first code block) is preserved and can be used
in the second (and subsequent) code blocks.

Nick

  reply	other threads:[~2013-03-27 11:48 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-25  9:37 :session question Andreas Röhler
2013-03-25 23:58 ` Michael Gauland
2013-03-26  0:46   ` Eric Schulte
2013-03-26  8:37     ` Andreas Röhler
2013-03-26  9:12     ` Rainer M Krug
2013-03-26  9:23       ` Andreas Leha
2013-03-26 12:37         ` Eric Schulte
2013-03-26 12:44           ` Andreas Leha
2013-03-26 12:55           ` Achim Gratz
2013-03-26 15:31             ` Eric Schulte
2013-03-27  8:01               ` :session question - header argument setting Rainer M Krug
2013-03-27  8:35                 ` Sebastien Vauban
2013-03-27  8:52               ` :session question Andreas Röhler
2013-03-27  9:27                 ` Andreas Leha
2013-03-27 10:10                   ` [O] " Andreas Röhler
2013-03-27 10:37                     ` Andreas Röhler
2013-03-27 11:37                   ` Andreas Röhler
2013-03-27 11:48                     ` Nick Dokos [this message]
2013-03-27 12:18                       ` Andreas Röhler
2013-03-27 12:22                         ` Rainer M Krug
2013-03-27 12:47                           ` Andreas Röhler
2013-03-27 12:43                         ` Eric Schulte
2013-03-27 13:26                           ` Andreas Röhler
2013-03-27 13:29                           ` Andreas Leha
2013-03-27 15:47                             ` Eric Schulte
2013-03-27 20:20                               ` Andreas Leha
2013-03-27 20:35                                 ` Eric Schulte
2013-03-28 10:25                                   ` Andreas Leha
2013-03-28 13:06                                     ` John Hendy
2013-03-28 19:35                                       ` :session question - a simple PATCH Andreas Leha
2013-03-29  9:59                                         ` Achim Gratz
2013-03-29 14:38                                           ` Eric Schulte
2013-03-28 13:22                                   ` :session question John Hendy
2013-03-27 20:59                                 ` Andreas Röhler
2013-03-27 11:19               ` Andreas Leha
2013-04-28 15:46               ` Achim Gratz
2013-05-01 17:18                 ` Eric Schulte
2013-05-01 17:36                   ` Achim Gratz
2013-05-09 18:52                   ` Achim Gratz
2013-06-07 16:15                     ` Achim Gratz
2013-06-07 19:07                       ` :session question -- and changes to #+Property: syntax Eric Schulte
2013-06-07 19:49                         ` Achim Gratz
2013-06-07 20:22                           ` Andreas Leha
2013-06-10  8:16                             ` Rainer M Krug
2013-06-08  7:47                         ` Achim Gratz
2013-06-08 18:08                           ` Eric Schulte
2013-06-08 20:48                             ` Achim Gratz
2013-06-10  8:21                               ` Rainer M Krug
2013-06-10 19:16                                 ` Achim Gratz
2013-06-18 20:41                         ` Achim Gratz
2013-06-19 10:10                           ` Michael Brand
2013-06-20 16:27                           ` Eric Schulte
2013-06-20 17:47                             ` Achim Gratz
2013-06-20 18:31                               ` Eric Schulte
2013-06-20 19:14                                 ` Achim Gratz
2013-06-20 19:28                                   ` Eric Schulte
2013-06-23 17:50                                   ` Achim Gratz
2013-06-25 14:20                                     ` Eric Schulte
2013-06-25 18:28                                       ` Achim Gratz
2013-06-10  8:14                       ` :session question Rainer M Krug
2013-06-10  8:12                   ` Rainer M Krug
2013-03-27  8:26           ` Andreas Röhler
2013-03-26  6:41   ` Andreas Röhler

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