Re: How to put current date in footer?

[Alain]

Alain wrote:
> Arvid Grøtting wrote:
>> Alain <address@hidden> writes:
>>
>>> Hi NG
>>>
>>> I'm trying to have a timestamp in the footer of every page. nice would
>>> also be to have subversion revision as metainformation printed.
>>> I'm quite new to Lilypnd...
>>>
>>> How can I do that?
>>>
>>> I've tried it the LaTeX way:
>>> \paper{
>>>   ...
>>>   oddFooterMarkup = "Compiled: \today"
>>> }
>>>
>>> but like this it doesn't work.
>> You need a bit of Scheme, the Lilypond manuals and the Guile manual.
>> Try something like this:
>>
>> %% ---- cut here ----->8
>>
>> \version "2.11.43"
>>
>> revision = #"$Revision: 1.2 $"
>>
>> today = #(strftime "%Y-%m-%d" (localtime (current-time)))
>>
>> \paper {
>>   oddFooterMarkup = #(ly:format "Compiled ~a by ~a (~a)"
>>                                 today (cuserid) revision)
>> }
>>
>> \score {
>>
>>   \context Score <<
>>     \relative c'' { c c c c }
>>   >>
>>   \layout {}
>>  }
>>
>> %% ---- cut here ----->8
>>
>> Cheers,
>>
> 
> Thanks for this very quick answer.
> 
> I seem to have a problem here, maybe because I'm running lilypond 2.10.10?
> 
> /home/brenzi/svn_local/lilypond-songs/test.ly:8:21: Fehler: GUILE
> signalisierte einen Fehler für den hier beginnenden Ausdruck
>   oddFooterMarkup = #
>                      (ly:format "Compiled ~a by ~a (~a)"
> Unbound variable: ly:format
> 
> sorry for the german error msg ;-)
> 
> does this only work with lily 2.11?
> 
> Alain


just found the solution thanks to Valentin's post.

revision = #"$Revision$"
today = #(strftime "%Y-%m-%d" (localtime (current-time)))

pieceFooter = #( ly:export ( string-append "Compiled " today " SVN:"
revision))

great.

thanks for your help!
Alain