how do you extract schedule duration in column-view

how do you extract schedule duration in column-view

[Inquisitive Scientist]

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Dear Experts,

How do I make it so that column-view shows the duration of a scheduled task?
I now that if I do something like

* my top node
    :PROPERTIES:
    :COLUMNS: %40ITEM %%10SCHEDULED
    :END:

and then create a dynamic-block I can get a table to show the scheduled
time, but what do I do if I want the duration of a scheduled task?

Thanks,
-Emin

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Re: how do you extract schedule duration in column-view

[Inquisitive Scientist]

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Actually, I can almost figure out how to do this myself if I knew what
function to use to convert a string like

         SCHEDULED: <2010-08-12 Thu 10:20-10:45>

into a duration. If I call org-time-string it only gives me the first part
of the date and ignores the ending point.

Any tips on what org-mode function to use to get the duration of a scheduled
time?


On Thu, Aug 12, 2010 at 12:04 PM, Inquisitive Scientist <
inquisitive.scientist@gmail.com> wrote:

> Dear Experts,
>
> How do I make it so that column-view shows the duration of a scheduled
> task? I now that if I do something like
>
> * my top node
>     :PROPERTIES:
>     :COLUMNS: %40ITEM %%10SCHEDULED
>     :END:
>
> and then create a dynamic-block I can get a table to show the scheduled
> time, but what do I do if I want the duration of a scheduled task?
>
> Thanks,
> -Emin
>

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Re: Re: how do you extract schedule duration in column-view

[Bastien]

Inquisitive Scientist <inquisitive.scientist@gmail.com> writes:

> Actually, I can almost figure out how to do this myself if I knew what function
> to use to convert a string like
>
>          SCHEDULED: <2010-08-12 Thu 10:20-10:45>
>
> into a duration. If I call org-time-string it only gives me the first part of
> the date and ignores the ending point.
>
> Any tips on what org-mode function to use to get the duration of a scheduled
> time?

Try this function on the scheduled timestamp:

,----
| (defun bzg-duration-of-timestamp-at-point ()
|   "Compute the duration of the timestamp at point."
|   (interactive)
|   (save-excursion
|     (forward-line 0)
|     (when (re-search-forward "\\<SCHEDULED: *<\\([^>]+\\) \\([0-9]+:[0-9]+\\)--?\\([0-9]+:[0-9]+\\)>" nil t)
|       (let ((date (match-string 1))
| 	    (t1  (match-string 2))
| 	    (t2  (match-string 3)))
| 	(- (org-time-string-to-seconds (concat date " " t2))
| 	   (org-time-string-to-seconds (concat date " " t1)))))))
`----

HTH,

-- 
 Bastien