[LAD] samples/symlinks/sessions

[J. Liles]

On Sun, Jul 15, 2012 at 7:55 PM, David Robillard <d at drobilla.net> wrote:

> On Fri, 2012-07-13 at 15:57 +0100, James Morris wrote:
> > Hi,
> >
> > My sampler app has Non Session Mangement implemented but is currently
> > still referring to external files by their original path.
> >
> > I want to use the symlink method as discussed fairly extensively here
> > but I'd like to know if there is any recommended strategy for naming
> > the symlink of a sample.
> >
> > It could so happen that as far as the filesystem is concerned the only
> > discerning uniqueness between two samples is in the path (ie
> > kit1/snare1.wav and kit2/snare1.wav).
> >
> >
> > I've come up with three possible solutions to this (in my current order
> > of preference):
> >
> >
> > 1) symlink-to-sample created in a subdir named using a hash* of the
> > full path to external file
> >
> > 2) painstakingly re-create the full path within the session dir and add
> > the symlink into that.
> >
> > 3) some horrible text manipulation of the full path (ie replace / with
> > _) that is bound to fail.
> >
> >
> > * J. Liles mentioned SHA1 here:
> >   http://linuxaudio.org/mailarchive/lad/2012/3/30/189343
> >
> > Are there other/better options or disagreements about (1) being a good
> > choice over the other options I've presented?
>
> I just used the original name of the file, with a number added for
> uniqueness if necessary (which is very seldom the case).  It works and
> is much more human-friendly and straightforward than the above options.
> A "make this path unique by sticking a number on the end of it" function
> turns out to be pretty useful anyway.
>
> Of course, you need to actually check for existence of files to create
> it, which might be a problem in some cases (though not any I've
> encountered), but anything that assumes a mapping based on the current
> path is a unique identifier for a particular file's contents is bound to
> fail anyway.


This is exactly what I do in Non-DAW as well. Use the original name and add
an ordinal number until it's unique.
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