Re: concatenating/converting string variables ?

[Wim van Dommelen]

On 17 May 2013, at 11:47 , Nick Payne wrote:

> On 17/05/13 17:45, Paul Malcolm wrote:
> > excuse me, just a trivial question, but I cannot seem to find the  
> > answer.
> > I want to add the date variable to one element of text in my title.
> >
> > I have this in the preamble
> >
> > date = #(strftime "%d-%m-%Y" (localtime (current-time)))
> >
> > What I want to do is somehow add/concatenate this to a text string
> > for the name of person doing the arranging, which appears in the
> > header block, i.e.
> >
> > arranger = "Arr.  Maestro Smithington-Smythe"
> >
> > How do I do this so I finally see
> >
> >   Arr. Maestro Smithington-Smythe, 17/May/2013
>
> Something like this:
>
> date = #(strftime "%d-%m-%Y" (localtime (current-time)))
> Arranger = "Arr.  Maestro Smithington-Smythe"
>
> \header {
>  composer = "Composer"
>  title = "Title"
>  arranger = \markup { \Arranger \date }
> }

While working on something I use this (included from a global file):

% Define a variable to hold the formatted date:
date = #(strftime "%d-%m-%Y" (localtime (current-time)))

% Miscellaneous:
thisisme = \markup{ \concat { "Engraved by *me*" \bold \date " with"  
\with-url #"http://lilypond.org/"; "LilyPond " \simple #(lilypond- 
version) " (http://lilypond.org/)." } }

Below this include in the project-file, I have:

% Fix the date when I finished this:
%date = "27-04-2013"

And when I finish the project I fill in the real date, uncomment it,  
ready.

Regards,
*me*.


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