Hi Urs, On 09/01/14 11:01, Urs Liska wrote: > Is there already a clean way to let LilyPond/Scheme code be executed > depending on the version number of the currently executed LilyPond? > > If not, would it be useful/acceptable to include something like > https://github.com/openlilylib/snippets/blob/master/general-tools/lilypond-version-predicates/definitions.ily > > > into LilyPond? > > That makes possible to write something like > > (if (lilypond-greater-than? '(2 16 0)) ... ) > Compare with scheme variable lilypond-version:
ian@nanny-ogg ~/src/lilypond (master)$ lilypond ly/scheme-sandbox.ly GNU LilyPond 2.18.0 Processing `ly/scheme-sandbox.ly' Parsing... guile> (lilypond-version) "2.18.0" guile> (quit) Success: compilation successfully completed ian@nanny-ogg ~/src/lilypond (master)$ You could probably write some stuff to parse out the major-version and minor-version fields e.g. guile> (define ly-major-version (substring (lilypond-version) 0 1)) guile> ly-major-version "2" guile> (define ly-minor-version (substring (lilypond-version) 2 4)) guile> ly-minor-version "18" guile> (define ly-update-version (substring (lilypond-version) 5 (string-length (lilypond-version)))) guile> ly-update-version "0" guile> (quit 0) Success: compilation successfully completed ian@nanny-ogg ~/src/lilypond (master)$ ... and play with those. HTH Cheers, Ian _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel
