Thanks Jean! I need to read more carefully! On Mon, Oct 19, 2020 at 5:45 PM Jean Abou Samra <j...@abou-samra.fr> wrote:
> > Le 19/10/2020 à 23:14, Dave Seidel a écrit : > > Hi all, > > I am trying to define a variable on the command line that I can use within > the .ly file. I've tried both > > -e "(define-public part 1)" > > and > > -e "(define part 1)" > > > In the .ly file, I have a Scheme expression > > #(if (= part 0) > (define partName "") > (define partName (string-append "S" part)) > ) > > > In either case, I get the error > > GUILE signaled an error for the expression beginning here > # > (if (= part 0) > Unbound variable: part > > > I guess I'm either defining the variable incorrectly, or dereferencing it > incorrectly within the script. Can someone help? > > Thanks, > > Dave > > > Hi, > > Have a look at > > > lilypond.org/doc/v2.21/Documentation/usage/command_002dline-usage#basic-command-line-options-for-lilypond.html > > You need > > #(use-modules (guile-user)) > > at the top of your LilyPond source. > > You can ignore the warning that shows up > (https://gitlab.com/lilypond/lilypond/-/issues/3613). > > Best, > Jean > >
