Re: can we pass in header variables as CLI parameters?

[Timothy Lanfear]

On 17/03/17 21:10, Ian Ring wrote:
> Hi, sorry if this has been asked before...
>
> Is it possible to pass in header variables in via the CLI?
>
> For example, I would like to pass the copyright date in via a 
> parameter, instead of it being saved in the .LY file.
>
> This can be done in LaTeX, so I hope there is a way to do something 
> similar in lilypond.
>
> Cheers
> Ian

You could define a variable on the command line and insert it into the 
header block of a Lilypond file.

\version "2.18.2"
#(use-modules (guile-user))

\header { copyright = \markup { "©" \year "The Composer" } }

{ c''1 }


lilypond -e '(define-public year "2017")' tmp.ly

See 
http://lilypond.org/doc/v2.19/Documentation/usage/command_002dline-usage#basic-command-line-options-for-lilypond

--
Timothy Lanfear, Bristol, UK.