Michael Welle <mwe012...@gmx.net> writes:
> Hello,
>
> Karl Voit <devn...@karl-voit.at> writes:
>
>> * Michael Welle <mwe012...@gmx.net> wrote:
>>>
>>> Karl Voit <devn...@karl-voit.at> writes:
>>>
>>>>> [...]
>>>>>> #+TBLFM: @2$3='(* $2 (org-time-string-to-hours "$1"));L
>>>>> or converting $2 to a number before the calculation should work also,
>>>>> but is more to write ;).
>>>>
>>>> Hm. I still got #ERROR. I reduced my issue to calculate the float (for
>>>> hours)
>>>> without multiplying it with "value":
>>> strange. I use the current Org version from git and Emacs 25.1.
>>>
>>>> | time [h:m:s] | value | product |
>>>> |--------------+---------+---------|
>>>> | 09:15:00 | 2.54321 | #ERROR |
>>>>
>>>> #+TBLFM: @2$3='(org-time-string-to-hours $1)
>>> That works for me. The default interpretation of $1 is used and
>>> therefore the value is fed into o-t-s-t-h as string.
>>
>> OK, this is my current issue then.
FWIW, I used the above table with the definitions in an org file, C-C C-c'd the
code,
and C-c C-c'd the table formula - I get no error:
--8<---------------cut here---------------start------------->8---
* table error
strange. I use the current Org version from git and Emacs 25.1.
| time [h:m:s] | value | product |
|--------------+---------+---------|
| 09:15:00 | 2.54321 | 9.25 |
#+TBLFM: @2$3='(org-time-string-to-hours $1)
* code
#+BEGIN_SRC elisp
(defun org-time-string-to-seconds (s)
"Convert a string HH:MM:SS to a number of seconds.
Omitted third element will be interpreted as MM:SS with missing hours."
;; test with:
;; (message (concat "result is: " (number-to-string
(org-time-string-to-seconds "57:45:03"))))
;; (message (concat "result is: " (number-to-string
(org-time-string-to-seconds "57:45"))))
(cond
((and (stringp s)
(string-match "\\([0-9]+\\):\\([0-9]+\\):\\([0-9]+\\)" s))
(let ((hour (string-to-number (match-string 1 s)))
(min (string-to-number (match-string 2 s)))
(sec (string-to-number (match-string 3 s))))
(+ (* hour 3600) (* min 60) sec)))
((and (stringp s)
(string-match "\\([0-9]+\\):\\([0-9]+\\)" s))
(let ((min (string-to-number (match-string 1 s)))
(sec (string-to-number (match-string 2 s))))
(+ (* min 60) sec)))
;;((stringp s) (string-to-number s))
;;(t s)
)
)
(defun org-time-string-to-hours (s)
"Convert a string HH:MM:SS to hours (float).
When only two values given, they will be interpreted as MM:SS with missing
hours."
;; test via:
;; (message (concat "result is: " (number-to-string
(org-time-string-to-hours "57:45:03"))))
;; (message (concat "result is: " (number-to-string
(org-time-string-to-hours "57:45"))))
(/ (org-time-string-to-seconds s) 3600.0)
)
#+END_SRC
#+RESULTS:
: org-time-string-to-hours
--8<---------------cut here---------------end--------------->8---
Org-mode version 8.3.6 (release_8.3.6-1135-g0ba465
GNU Emacs 25.1.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.20.9) of
2016-08-31
--
Nick
