Thanks Jan-Peter That's put me back on course!
Trevor ----- Original Message ----- From: "Jan-Peter Voigt" <jp.vo...@gmx.de> To: <lilypond-devel@gnu.org> Sent: Wednesday, April 01, 2015 12:45 PM Subject: Re: Generating music from a list of identifiers > Hi Trevor, > > I compiled a short example, that should give you some hints. > > HTH > Jan-Peter > > Am 01.04.2015 um 13:18 schrieb Trevor Daniels: >> Hi Schemers >> >> I'm struggling to find how to do the following: >> >> I have a list of the identifiers of variables which contain either music or >> #f and I'd like to generate the parallel music of all of them which contain >> music. I can do this by listing the identifiers explicitly, like this: >> >> AllMusic = << >> #(if DescantMusic DescantMusic) >> #(if SopranoMusic SopranoMusic) >> ... >> #(if PianoLHMusic PianoLHMusic) >> But I'd like to do the same thing without listing each one explicitly, using >> a list like this, which is generated algorithmically: >> >> #(define AllMusicNames >> (list >> "DescantMusic" >> "SopranoMusic" >> ... >> "PianoLHMusic")) >> >> TIA >> Trevor >> >> >> >> _______________________________________________ >> lilypond-devel mailing list >> lilypond-devel@gnu.org >> https://lists.gnu.org/mailman/listinfo/lilypond-devel > > -------------------------------------------------------------------------------- > _______________________________________________ > lilypond-devel mailing list > lilypond-devel@gnu.org > https://lists.gnu.org/mailman/listinfo/lilypond-devel > _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel