From: "Eric Schulte" <schulte.eric@gmail.com>
To: "Sébastien Vauban" <wxhgmqzgwmuf@spammotel.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: Re: [babel] ledger tutorial on Worg
Date: Wed, 08 Sep 2010 11:53:44 -0600 [thread overview]
Message-ID: <87r5h4xgt3.fsf@gmail.com> (raw)
In-Reply-To: <871v94wspn.fsf@mundaneum.com> ("Sébastien Vauban"'s message of "Wed, 08 Sep 2010 10:21:56 +0200")
Hi Seb,
Sébastien Vauban <wxhgmqzgwmuf@spammotel.com> writes:
> Hi Eric,
>
> "Eric Schulte" wrote:
>> Sébastien Vauban <wxhgmqzgwmuf@spammotel.com> writes:
>>> "Eric Schulte" wrote:
>>>> Sébastien Vauban <wxhgmqzgwmuf@spammotel.com> writes:
[...]
>>>>> 2. When the evaluation produces no output, but had well produced output
>>>>> before, shouldn't Babel have to delete the previously written results in
>>>>> the Org buffer?
>>>>
>>>> This is a good point. Currently Babel just quits if it receives a nil
>>>> result, but I think you're right that we should replace existing results
>>>> when a nil result has been returned. I'll add this as PROPOSED to the babel
>>>> task list.
>>>
>>> I consider this kind of mandatory, for the sake of coherency, and to really
>>> make use of Org-babel every time I want to run some shell commands (and change
>>> them, eventually getting no results then).
>>>
>>
>> I've just pushed up a change that implements this behavior.
>
> I've just git pulled, and tested your change.
>
> From my point of view, it does not work yet. Take this example:
>
[...]
>
> With `:cmdline reg unknown', it produced the line with -21.91 EUR. Correct.
>
> Now, if I write `:cmdline "reg" unknown', I expect no output from Ledger, and
> thus the results block to be removed. That's not the case.
>
If ledger throws an exception then the result probably will not be
replaced, however if ledger does return an empty result, then the
existing result will be removed. If you execute the following code
block
#+begin_src emacs-lisp
"test"
#+end_src
and then change the body to "" is the previous result removed?
>
> Other peculiarity, if I write `:cmdline reeg unknown', I get an
> exception:
>
Ah, thanks for pointing this out, it seems I introduced an error with my
previous change. I've just pushed up a fix for this issue.
Thanks -- Eric
next prev parent reply other threads:[~2010-09-08 17:54 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-26 23:06 [babel] ledger tutorial on Worg Eric S Fraga
2010-08-27 14:53 ` Carsten Dominik
2010-08-27 15:27 ` Eric Schulte
2010-08-27 19:33 ` Eric S Fraga
2010-09-01 11:25 ` Sébastien Vauban
2010-09-01 18:33 ` Eric S Fraga
2010-09-02 0:19 ` Eric Schulte
2010-09-02 12:43 ` Sébastien Vauban
2010-09-02 14:56 ` Eric Schulte
2010-09-03 20:53 ` Sébastien Vauban
2010-09-03 21:35 ` Eric Schulte
2010-09-05 20:49 ` Sébastien Vauban
2010-09-07 23:03 ` Eric Schulte
2010-09-08 8:21 ` Sébastien Vauban
2010-09-08 17:53 ` Eric Schulte [this message]
2010-09-08 21:40 ` Sébastien Vauban
2010-09-08 22:46 ` Eric Schulte
2010-09-09 12:14 ` Sébastien Vauban
2010-09-09 15:29 ` Eric Schulte
2010-09-09 19:59 ` Sébastien Vauban
2010-09-09 21:15 ` Sébastien Vauban
2010-09-09 21:42 ` Dan Davison
2010-09-03 8:33 ` Eric S Fraga
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