Le dimanche 9 janvier 2011 16:05:41, Vincent Cassé a écrit :
> hi !
Hi !
> Today, I would like to change the content of a declared single, in a
> fonction.
>
> my single declaration is :
>
> background = single("./error.mp3")
>
> And i would like change the mp3 file :
>
> def add_background(music)
> background = single(music)
> end
>
> Do it possible ?
I do not think it is possible like this. You probably need to use a
request.dynamic operator..
A simple example:
Put in a /tmp/jingle.txt file the adress of a local file containing your jingle:
cat /tmp/jingle.txt
/path/to/error.mp3
Then define the following source:
s = request.dynamic(
fun () -> request.create(
list.hd(
get_process_lines("cat /tmp/jingle.txt"))))
Now, when you want to change the file used for the jingle, just do:
echo /path/to/new_error.mp3 > /tmp/jingle.txt
Romain
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