Re: Re: Organizing a students live

[Carsten Dominik <carsten.dominik@gmail.com>]

On Feb 10, 2010, at 11:20 PM, Nick Dokos wrote:

> Daniel Martins <danielemc@gmail.com> wrote:
>
>> 2010/2/10 John Rakestraw <lists@johnrakestraw.com>
>>
>>>>>>> Daniel Martins writes:
>>
>>> Someone could send me an example of the use of the org-diary- 
>>> class ??
>>
>>    *** 12:15-13:05 Class
>>       <%%(org-diary-class 1 13 2010 5 3 2010 1 3 7 10 14)>
>>       <%%(org-diary-class 1 13 2010 5 3 2010 3 10)>
>>       <%%(org-diary-class 1 13 2010 5 3 2010 5 10 13)>
>>
>>    Class meets Mon-Wed-Fri from Jan 13 to May 3 from 12:15 to  
>> 13:05, with
>>    holidays as indicated. Friday's class, for example, doesn't meet  
>> in weeks
>>    10 and 13.
>>
>> Thank you very much John. Incredibly fast answer !!!
>>
>> BTW Is there an easy /practical  way to convert holidays dates to  
>> number of weeks?
>
> Not sure I read this right, but if you are talking about converting a
> date to a week-number (as e.g. exhibited at the top of the weekly
> agenda), this should do the trick:
>
> ;;; date is a three-element list (month day year)
> ;;; (calendar-current-date) returns the date in this format.
> (defun week-number (date)
>       (org-days-to-iso-week
>                    (calendar-absolute-from-gregorian date)))
>
> but I guess the more difficult question is a user interface that  
> allows
> you to construct such elaborate org-diary-class constructs.

You can also navigate the agenda to the corresponding days, and it  
will show the week number.

HTH

- Carsten