Re: \include path

[David Sumbler]

On Tue, 2018-02-13 at 00:57 +0100, Urs Liska wrote:
> Hi David,
> 
> 
> Am 13.02.2018 um 00:33 schrieb David Sumbler:
> > 
> > Is there a way of getting Lilypond to search for \include files in
> > a particular directory, other than by using the command line option
> > -I ?  This is not very convenient, because I usually run Lllypond
> > from Emacs, using Ctrl-C Ctrl-F.
> > 
> > In bash I can add items to the environment variable PATH; perhaps
> > there is something similar in Lilypond?
> > 
> > The reason I ask is that, with the help of Stefano's very helpful
> > "quick rundown", I thought I would experiment with the Edition
> > Engraver.  I am completely new to using 'git', but after some
> > effort I managed to get the relevant parts of OpenLilyLib into a
> > directory called ~/openlilylib/ .
> > 
> > When I added \include "oll-core/package.ily" to my test.ly file, I
> > got a "cannot find file" error, because Lilypond doesn't know where
> > to look for it.  If I give an absolute path or a relative path,
> > package.ily loads OK, but then in that file the line '\include
> >  "oll-core/internal/os-path.ily"' produces an error for the same
> > reason.
> > 
> > Perhaps the answer is to put a symbolic link from somewhere in the
> > lilypond code tree to the openlilylib directory, but then I would
> > have to remember to recreate it every time I install a newer
> > version of Lilypond, which again is less than convenient.
> If Emacs doesn't have an option to construct a command line (like 
> Frescobaldi does) I would say the most straightforward way for you
> would be to write a simple wrapper script that adds these command
> line options for you and call that instead of 'lilypond'.

Thanks very much for your help.

I looked at lilypondmode.el, but I couldn't figure out how to modify
the command that Emacs executes when I press Ctrl-C Ctrl-F.

So following your other suggestion I wrote a script:

#!/bin/sh
exec /usr/local/bin/lilypond -I /home/david/openlilylib/ "$@"

and saved it as ~/bin/lilypond .

Works perfectly!

David