Re: DOCS: include a sample "Makefile"?

[Jonathan Kulp]

Anthony W. Youngman wrote:
> > parts:
> >       for LILYFILE in Parts/*.ly ; do $(LILY_CMD) "$$LILYFILE" ; done
> >       mv *.pdf $(OUTDIR)/
> >
> > It works exactly as it did with the GNU wildcard, except that multiple files
> > can't be compiled at once with separate processors.  I'll probably stick
> > with the GNU wildcard approach in my personal makefiles, or else have
> > both lines in there with one commented out.
>
> My bash-fu is minimal to non-existent, but couldn't you do something
> like
>
>         for LILYFILE in Parts/*.ly ; do $(LILY_CMD) "$$LILYFILE" & ;
> done
>         wait
>         mv *.pdf $(OUTDIR)/
>
> ?
>
> I'm sure there's a command, and I think it is "wait", that says to wait
> and collect status from all the jobs you've just spawned, so the mv
> wouldn't run until all the LILY_CMD commands had completed.
>
> Cheers,
> Wol

It already waits until all of the files have been run before moving 
them.  It just loops until it has done all of the files, then proceeds 
to the next line and does the "mv" command.

This is irrelevant after Werner's last email using the ls command to 
gather the filenames, though.  I like that better than the looping 
command, as it's easier for noobs to understand--hardly anybody, no 
matter how limited their command-line experience, has failed to run a 
"ls" command at some point, but one has to go a bit deeper to get into 
looping scripts. I've tried Werner's suggestion and it works beautifully:

LILY_PARTS=$$(ls Parts/*.ly)

parts:
   $(LILY_CMD) $(LILY_PARTS)
   mv *.pdf $(OUTDIR)/


I changed the ` backticks to the $() construct on recommendations from 
one of my scripting books, which alleges that backticks are 
old-fashioned.  I really have no idea, but all of my scripts are done 
with the $() construct.  Of course in the makefile it has to become $$(foo).

re: this thread--never has there been better proof that there's more 
than one way to skin a cat.  I doubt we'll ever come up with something 
everyone likes. I'm learning a lot, though, so I don't mind all the 
conflicting suggestions. :)

Jon

p.s. most current version of multi-movement makefile example copied below...
--
Jonathan Kulp
http://www.jonathankulp.com



SHELL=/bin/sh
MASTER_FILE=stamitz
OUTDIR=PDF
VIEWER=acroread
LILY_CMD=lilypond -ddelete-intermediate-files -dno-point-and-click
LILY_PARTS=$$(ls Parts/*.ly)
LILY_MOVEMENTS=$$(ls Scores/$(MASTER_FILE)I*.ly)
PREVIEW=$(VIEWER) $(OUTDIR)/$(MASTER_FILE).pdf &

.PHONY: score movements parts midi

all: score movements parts midi

score:
        $(LILY_CMD) Scores/$(MASTER_FILE).ly
        mv $(MASTER_FILE).pdf $(OUTDIR)/
        $(PREVIEW)

movements:
        $(LILY_CMD) $(LILY_MOVEMENTS)
        mv *.pdf $(OUTDIR)/

parts:
        $(LILY_CMD) $(LILY_PARTS)
        mv *.pdf $(OUTDIR)/

midi:
        $(LILY_CMD) Scores/$(MASTER_FILE)MIDI.ly
        mv *.midi MIDI/