James <[email protected]> writes:
> On 30 September 2012 22:17, Gilles <[email protected]> wrote:
>>
>>> My command I am trying to run is
>>>
>>> lilypond -e '#(set-global-staff-size 32)' --pdf myfile.ly
>
> Do you know why I cannot use the normal '#(set-global-staff-size 22)'
> or '(set-global-staff-size 22)' directly with the -e as that looks to
> me (as someone who doesn't know anything really) like a 'Scheme
> Expression'? or is this called something else?
It is a Scheme expression, but the docs state:
`-e,--evaluate=EXPR'
Evaluate the Scheme EXPR before parsing any `.ly' files. Multiple
`-e' options may be given, they will be evaluated sequentially.
The expression will be evaluated in the `guile-user' module, so if
you want to use definitions in EXPR, use
set-global-staff-size works by redefining the value of $defaultpaper in
the _current_ parser module interpreting a .ly file, so you just don't
have some paper variable available at the point of time it is called.
--
David Kastrup
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