From: "Sébastien Brisard" <sebastien.brisard@m4x.org>
To: "Charles C. Berry" <ccberry@ucsd.edu>
Cc: emacs-orgmode@gnu.org
Subject: Re: How to pass table to SRC block as strings only?
Date: Sat, 21 Jan 2017 06:46:22 +0100 [thread overview]
Message-ID: <CAGRH7HpRUsJbddxdH8Fmjx=0G7yOXHb87Pe0GgGckEWa-g0-4A@mail.gmail.com> (raw)
In-Reply-To: <CAGRH7Hq95mHPivvW4=uxZHS8VUfO29p4_PXUMmPc7q+f7cJMuQ@mail.gmail.com>
Hi again,
as a follow up: I can't believe how far behind my org version was (I
suppose I was running the built-in version).
Now that I have upgraded to 9.0.3, your code works like a charm.
Thanks again,
Sébastien
2017-01-21 6:30 GMT+01:00 Sébastien Brisard <sebastien.brisard@m4x.org>:
> Hi Chuck,
> thank you *very much* for this answer!
> I was indeed wondering what was the entry point into the org source
> for this. `org-babel-ref-resolve' is where I should start. I'm still
> relatively new to emacs-lisp and do not know how to instrument the
> code in order to trace all calls (which would probably have solved my
> problem).
> Anyway, with my version (8.2.10) of org-mode, I had to redefine
> `org-babel-read' rather than `org-babel--string-to-number'. Will
> update and see where it goes.
>
> In any case, I will consider this problem as solved! Thanks again,
> Sébastien
>
> 2017-01-20 4:49 GMT+01:00 Charles C. Berry <ccberry@ucsd.edu>:
>> On Thu, 19 Jan 2017, Sébastien Brisard wrote:
>>
>>> Thanks Charles for this answer. Let me state the problem more clearly.
>>> Number-like cells *are* converted to numbers (as best illustrated by
>>> the example below (see the use of numberp), which might incur accuracy
>>> loss (see below, the first row has a lot of significant digits).
>>> I am not interested in the number representation of these cells, only
>>> the string matters for my application. Due to this accuracy loss,
>>> converting back the number to a string is not an option for me...
>>>
>>> Any ideas? Thanks!
>>
>>
>> The usual resolution of table references will eventually use
>> `org-babel--string-to-number' to do what its name suggests.
>>
>> You can write an elisp function to handle references as you wish and call
>> them from :var arguments.
>>
>> A hackish way to do this for your case is to quash the action of
>> `org-babel--string-to-number':
>>
>> #+BEGIN_SRC emacs-lisp
>> (defun get-ref-strings-as-is (ref)
>> (cl-letf (((symbol-function 'org-babel--string-to-number)
>> (lambda (x) x)))
>> (org-babel-ref-resolve ref)))
>> #+END_SRC
>>
>> #+header: :var table=(get-ref-strings-as-is "table20170119") #+BEGIN_SRC
>> emacs-lisp :colnames yes :results pp
>> table
>> #+END_SRC
>>
>> #+RESULTS:
>> : (("row1" "12345678901234567890")
>> : ("row2" "a")
>> : ("row3" "b")
>> : ("row4" "c"))
>>
>> You can look at `org-babel-ref-resolve' to get some ideas on how to do this
>> more artfully.
>>
>>> Sébastien
>>>
>>> ===== begin example =====
>>> #+NAME: table20170119
>>> | col1 | col2 |
>>> |------+----------------------|
>>> | row1 | 12345678901234567890 |
>>> | row2 | a |
>>> | row3 | b |
>>> | row4 | c |
>>>
>>
>> HTH,
>>
>> Chuck
prev parent reply other threads:[~2017-01-21 5:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-19 6:55 How to pass table to SRC block as strings only? Sébastien Brisard
2017-01-19 17:07 ` Charles C. Berry
2017-01-20 2:34 ` Sébastien Brisard
2017-01-20 3:49 ` Charles C. Berry
2017-01-21 5:30 ` Sébastien Brisard
2017-01-21 5:46 ` Sébastien Brisard [this message]
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