From: Eric Schulte <schulte.eric@gmail.com>
To: Nick Dokos <ndokos@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: table as argument to code block : type of the elements
Date: Fri, 13 Sep 2013 11:02:20 -0600 [thread overview]
Message-ID: <87hadou02r.fsf@gmail.com> (raw)
In-Reply-To: <874n9pjpu6.fsf@gmail.com> (Nick Dokos's message of "Fri, 13 Sep 2013 00:41:21 -0400")
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Nick Dokos <ndokos@gmail.com> writes:
> francois@avalenn.eu writes:
>
>> This code does not work because of automatic conversion from string to
>> number in org-babel-read-table.
>>
>> #+TBLNAME: table_test
>> | name | id |
>> |-------+-----|
>> | name1 | 034 |
>> | name2 | 135 |
>> | name3 | 1B5 |
>>
>> #+NAME: code_test
>> #+BEGIN_SRC emacs-lisp :var table=table_test
>> (setq myv "")
>> (dolist (line table myv)
>> (unless (eq line 'hline)
>> (setq myv (concat myv ";" (mapconcat 'identity line ",")))))
>> myv
>>
>> #+END_SRC
>>
>> I would like to have this result :
>>
>> #+RESULTS: code_test
>> : ;name,id;name1,034;name2,135;name3,1B5
>>
>> Is there any possibility to deactivate this conversion as with
>> inhibit-lisp-eval for lisp forms ? Or better is there any way to chose
>> conversion parameters on a column to column basis ?
>>
>
> Not that I know of. But you can redefine org-babel-read-table to omit
> the conversion:
>
> --8<---------------cut here---------------start------------->8---
> (defun org-babel-read-table ()
> (org-table-to-lisp))
> --8<---------------cut here---------------end--------------->8---
>
> and redefine it back afterwards:
>
> --8<---------------cut here---------------start------------->8---
> (defun org-babel-read-table ()
> "Read the table at `point' into emacs-lisp."
> (mapcar (lambda (row)
> (if (and (symbolp row) (equal row 'hline)) row
> (mapcar (lambda (el) (org-babel-read el 'inhibit-lisp-eval)) row)))
> (org-table-to-lisp)))
> --8<---------------cut here---------------end--------------->8---
>
> Disgusting, no?
Disgusting and fantastic. How about taking it one step further...
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This code block defines the == form used to read table references
without conversion. Eval this first.
#+begin_src emacs-lisp :results silent
(defmacro with-simple-tables (ref)
`(flet ((org-babel-read-table () (org-table-to-lisp)))
(org-babel-ref-resolve ,(symbol-name ref))))
#+end_src
* Original Example
#+TBLNAME: table_test
| name | id |
|-------+-----|
| name1 | 034 |
| name2 | 135 |
| name3 | 1B5 |
#+NAME: code_test_orig
#+BEGIN_SRC emacs-lisp :var table=table_test
(format "%S" table)
#+END_SRC
#+RESULTS: code_test_orig
: (("name" "id") hline ("name1" 34) ("name2" 135) ("name3" "1B5"))
and now without conversion
#+NAME: code_test_simplified
#+BEGIN_SRC emacs-lisp :var table=(with-simple-tables table_test)
(format "%S" table)
#+END_SRC
#+RESULTS: code_test_simplified
: (("name" "id") hline ("name1" "034") ("name2" "135") ("name3" "1B5"))
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--
Eric Schulte
https://cs.unm.edu/~eschulte
PGP: 0x614CA05D
prev parent reply other threads:[~2013-09-13 17:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-12 7:43 table as argument to code block : type of the elements francois
2013-09-12 8:42 ` francois
2013-09-13 4:05 ` Nick Dokos
2013-09-13 4:24 ` Nick Dokos
2013-09-13 4:41 ` Nick Dokos
2013-09-13 17:02 ` Eric Schulte [this message]
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