Re: [mh] Reusing variables? (mp3.pl)

[David N. <dno...@ya...>]

The sf mail server is really getting bad.  Resending...

----- Original Message ----- 
From: "David Norwood" <dno...@ya...>
To: "The main list for the MisterHouse home automation program" 
<mis...@li...>
Sent: Wednesday, October 15, 2008 9:36 PM
Subject: Re: [mh] Reusing variables? (mp3.pl)


> The problem is that the Voice Cmd is being created before $mp3names is. 
> From what I can tell, noloop code is executed in the following order: mht 
> definitions, noloop code pulled from user code files, and finally noloop 
> code pulled from common code files.
>
> I think this code should work around the problem:
>
> my ($mp3names, %mp3files) = &mp3_playlists;
> $v_playlist_list = new Voice_Cmd("Playlist [$mp3names]");
> my $playlist_state = said $v_playlist_list;
> if ($playlist_state) {
>       run_voice_cmd 'Set the house mp3 player to playlist 
> $playlist_state';
> }
>
> The loop code is executed in the opposite order: common code, then user 
> code.  It's also possible to change the order of individual scripts.  Does 
> anyone see a problem with changing the order of noloop code so common code 
> gets executed before user code?
>
> David
>
> ----- Original Message ----- 
> From: "Rick Steeves" <mis...@co...>
> To: "misterhouse users" <mis...@li...>
> Sent: Tuesday, October 14, 2008 8:25 PM
> Subject: [mh] Reusing variables? (mp3.pl)
>
>
>>
>>
>>
>> Every time I get on a roll I trip over something :-)
>>
>> in \code\common\mp3.pl (yes, windows!)  MH pulls the playlist into
>> $mp3names.  I want to reference that value in my own chunk of code
>> (mostly so I have to say less to active it, without tinkering with
>> "core" code that I have to worry about MH updates, or reading back in
>> that information, so I can do something like:
>>
>>  # use the playlist values read in by mp3.pl
>> $v_playlist_list = new Voice_Cmd("Playlist [$mp3names]");
>> my $playlist_state = said $v_playlist_list;
>> if ($playlist_state) {
>>         run_voice_cmd 'Set the house mp3 player to playlist 
>> $playlist_state';
>> }
>>
>> but I get back:
>> 10/14/08 23:19:38 : Global symbol "$mp3names" requires explicit
>> package name at (eval 198) line 218.
>>
>> Now I know that's because it's defines as a local variable to
>> mp3.pl.   How can I use it elsewhere?
>>
>> Thx
>>
>> Rick
>> PS All part of my final master plan that I can walk around the house
>> with a bluetooth headset and make the house do everything :-)
>>
>> Rick Steeves
>> http://www.sinister.net
>>
>> "The journey is the destination"
>>
>>
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>