Re: Conditionally including lyrics

[Marc Hohl]

Am 02.12.2011 12:36, schrieb Johan Vromans:
> Marc Hohl<address@hidden>  writes:
>
> > Has someone an idea
> > how to create a loop which scans for textA, textB, textC etc. and puts
> > a command that acts like
> > \addlyrics for each hit?
> This is exactly what I do in my LP templates :)
>
> I just define
>
>   highMusic
>   leadMusic
>   highWords
>   highAWords
>   highBWords
>
> and so on, and the templates will process exactly what has been defined,
> leaving out the undefined parts.
>
> I found \ifDefined and friends (attached) helpful to write the templates.
Yes, this looks promising!
> So it boils down to something like:
>
>      % Add lyrics if requestes.
>      \ifDefinedThen \leadWords  \new Lyrics \lyricsto \voiceName \ifDefined 
> \leadWords
>      \ifDefinedThen \leadAWords \new Lyrics \lyricsto \voiceName \ifDefined 
> \leadAWords
>      \ifDefinedThen \leadBWords \new Lyrics \lyricsto \voiceName \ifDefined 
> \leadBWords
>      \ifDefinedThen \leadCWords \new Lyrics \lyricsto \voiceName \ifDefined 
> \leadCWords
>
> So it is not exactly scanning, but there's no problem in adding as many
> cases as necessary.
Ok, so I need to find out the maximum of stanzas in each processed file 
and include
the corresponding \ifDefinedThen lines as mentioned above. From a 
prorammer's point
of view, there will be more elegant methods, but this seems to do the job.

Thanks,

Marc