For the purpose of automated and unassisted batch-processing (using
bash and GNU
make) I need a command-line tool to develop jpgs from my raw+xmp files.
I am on OS X and have the complete Adobe tool chain available (Lightroom 4, Bridge 5, Photoshop 5), however, have not yet found a way to interface to them from the command line; the answer to this question indicates that, at least for Lightroom, this is not yet possible. On Mac OS X it might be implementable via some crazy (and brittle) UI scripting, but Adobe products are generally not open to that as well because of their very specific UI toolkits.
I certainly would prefer developing via the Adobe engine, but if this is not possible, I would also go for another engine given that it – at least to some degree – applies the development settings stored in the XMP sidecars.
I know about
dcraw (Open Source) and Apple's
sips, but as far as I understand they would not apply the (Adobe) development settings stored in the XMP sidecars. But maybe there is some conversion tool available?
Any further suggestions?