From: Eric Schulte <schulte.eric@gmail.com>
To: John Hendy <jw.hendy@gmail.com>
Cc: Rainer@krugs.de, emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: [BABEL] BUG Re: Omitting try/catch blocks from tangled R code?
Date: Mon, 17 Mar 2014 09:00:09 -0600 [thread overview]
Message-ID: <877g7syio6.fsf@gmail.com> (raw)
In-Reply-To: <CA+M2ft9anfJQZ9Mnkik7Rn5t2zh0jqu00VyzowVAWKJ6M=DvWg@mail.gmail.com> (John Hendy's message of "Tue, 11 Mar 2014 20:13:34 -0500")
John Hendy <jw.hendy@gmail.com> writes:
> On Fri, Feb 7, 2014 at 1:22 PM, Rainer M Krug <Rainer@krugs.de> wrote:
>>
>>
>>
>> On 02/07/14, 17:47 , Eric Schulte wrote:
>> > Rainer M Krug <Rainer@krugs.de> writes:
>> >
>> >> On 02/07/14, 07:18 , John Hendy wrote:
>> >>> Greetings,
>> >>>
>> >>>
>> >>> I don't usually tangle, but am creating a code file to go along with a
>> >>> presentation I'm giving this weekend so that attendees can try things
>> >>> out afterward by cloning my github repo where all the data and
>> >>> necessary files are stored.
>> >>>
>> >>> In my presentation (Beamer), I create plots via the R pdf() device,
>> >>> and noticed that all of the tangled code where plots are generated
>> >>> contains the following:
>> >>>
>> >>> pdf(file="file.pdf"); tryCatch({
>> >>>
>> >>> code block contents here
>> >>>
>> >>> },error=function(e){plot(x=-1:1, y=-1:1, type='n', xlab='', ylab='',
>> >>> axes=FALSE); text(x=0, y=0, labels=e$message, col='red');
>> >>> paste('ERROR', e$message, sep=' : ')}); dev.off()
>> >>>
>> >>> Is there a way to omit this?
>> >>
>> >> This is a bug which must have been introduced some time ago - in the
>> >> stock version of emacs (Org-mode version 7.9.3f
>> >> (release_7.9.3f-17-g7524ef @
>> >> /usr/local/Cellar/emacs/24.3/share/emacs/24.3/lisp/org/)) it does not
>> >> tangle the enclosing commands to create graphics, but in 8.2 it does (I
>> >> don't have an older version at hand to go further back).
>> >>
>> >
>> > I believe this was introduced by your commit eaa3a761d. Reversion of
>> > which with the following should provide a temporary workaround.
>>
I take this back, the behavior is unrelated to Rainer's commit adding
try/catch blocks to R graphics creation logic.
In fact I don't believe this is a bug, rather the default behavior is to
expand code block bodies on tangling. This behavior may be changed by
using the :no-expand header argument which will inhibit code block body
expansion during tangling.
Best,
--
Eric Schulte
https://cs.unm.edu/~eschulte
PGP: 0x614CA05D
next prev parent reply other threads:[~2014-03-17 15:02 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-07 6:18 Omitting try/catch blocks from tangled R code? John Hendy
2014-02-07 8:26 ` [BABEL] BUG " Rainer M Krug
2014-02-07 16:47 ` Eric Schulte
2014-02-07 19:22 ` Rainer M Krug
2014-03-12 1:13 ` John Hendy
2014-03-17 15:00 ` Eric Schulte [this message]
2014-03-17 17:11 ` John Hendy
2014-03-17 17:44 ` Eric Schulte
2014-03-18 8:44 ` Rainer M Krug
2014-03-18 21:56 ` John Hendy
2014-03-19 19:07 ` Charles Berry
2014-03-20 4:57 ` Eric Schulte
2014-03-20 9:22 ` Rainer M Krug
2014-03-24 2:03 ` Eric Schulte
2014-03-24 10:22 ` Rainer M Krug
2014-03-24 13:16 ` Eric Schulte
2014-03-25 9:37 ` Rainer M Krug
2014-03-26 20:17 ` Eric Schulte
2014-03-28 8:32 ` Rainer M Krug
2014-03-28 8:51 ` Rainer M Krug
2014-03-30 14:19 ` Eric Schulte
2014-03-31 7:52 ` Rainer M Krug
2014-04-02 23:09 ` Eric Schulte
2014-04-07 7:59 ` Rainer M Krug
2014-04-11 2:35 ` Eric Schulte
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