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Re: If clause depending on name of the day


From: Pascal J. Bourguignon
Subject: Re: If clause depending on name of the day
Date: Tue, 03 Apr 2012 23:03:34 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux)

PJ Weisberg <address@hidden> writes:

> On Tue, Apr 3, 2012 at 12:32 PM, Lars Ljung <address@hidden> wrote:
>> "Sven Bretfeld" <address@hidden> writes:
>>> Is it possible to have an if-condition that looks for the current day?
>>> So that the then-expression does something different on Tuesday than on
>>> Friday?
>>
>> (nth 6 (decode-time)) returns 0-6 for Sunday-Saturday.
>
> So you could do something like this:
>
> (require 'cl)
> (case (nth 6 (decode-time))
>   (0
>    (message "Today is Sunday"))
>   ((1 3 5)
>    (message "Today is Monday, Wednesday, or Friday"))
>   (2
>    (message "Today is Tuesday"))
>   (t
>    (message "It's some other day.")))

(message "Today is %s" (aref ["Sunday" "Monday" "Tuesday" "Wednesday"
                               "Thirsday" "Friday" "Saturday"]
                             (nth 6 (decode-time))))
--> "Today is Tuesday"

-- 
__Pascal Bourguignon__                     http://www.informatimago.com/
A bad day in () is better than a good day in {}.


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