Re: Conditional input

[Simon Bailey]

hi,

On Jan 30, 2009, at 12:27 PM, northofscotland wrote:
> I would like to able to include some simple statements of the kind  
> "if ...
> then ... else" in the note entry.  What I would like to achieve is  
> to have
> two options for a note so that if I wanted to change the instrument  
> where
> the register doesn't match - violin to recorder for instance, I  
> could just
> change a flag or something similar at the start of the file and the
> alternative notes would be substituted.  I guess that it would be  
> possible
> with scheme, but I'm still trying to get my head round that!
>
> Any ideas gratefully received, Thanks

have a look at \tag and \keepWithTag or \removeWithTag:

http://lilypond.org/doc/v2.12/Documentation/user/lilypond/Different-editions-from-one-source
(the section "Using Tags").

hth, regards,
sb

--
Simon Bailey
Oompa Loompa of Science
+43 699 190 631 25