Hi list,
maybe it's an academic question, but maybe it also triggers the
curiosity of some Scheme-hackers ;-)
Is it possible to write something (probably a Scheme function) that lets
LilyPond compile a file twice with a different file included or a
different command line option?
Or is it possible from within a document to launch a second LilyPond
instance with an arbitrary command line option set?
The background is: I want to create a scenario where I can compile two
different pdf files in one run. The two files should have a different
first-page-number and a different filename suffix. I would like to have
two versions of a score starting on odd and even pages. (Afterwards I
want to include the appropriate file in a LaTeX document, depending on
the page in the document.)
I can imagine doing this with two layout include files (like
'start-odd.ily' and 'start-even.ily') or with a function that directly
writes the right commands depending on command line options (like
'-dstartodd' or 'dstarteven').
So maybe the easiest way would be to have a function that triggers two
separate lilypond runs on the same file, providing different command
line options. I'd then have a main .ly file as usual that includes one
of two style sheets depending on the presence of command line options,
but I would explicitely run lilypond on a 'master' file that doesn't
actually contain music but only controls the build process.
Any ideas?
Best
Urs
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