Yeah, helm bibtex is awesome. This has been a major topic of discussion in the module development. See: https://github.com/tmalsburg/helm-bibtex/issues/40
Last I talked with the developer, he was thinking hard about it and had maybe even started development on single-note file options. "Julian Burgos" <jul...@hafro.is> writes: > Dear list, > > I have been using org-ref for a while, using reftex to insert citations in > my org documents. Now I am switching to helm-bibtex, which is pretty > awesome. I have a couple of question about the note files. Org-ref uses > a single file to keep notes (e.g. notes.org), but helm-bibtex assumes that > notes are kept in separate files, one per article. My questions are: > > a) Do you have a preference in the single file vs multiple files question? > Are advantages/disadvantages? I tend to prefer the single file option, > it makes search easy and also I can add TODO items that later I can pull > out in the agenda view. With multiple files this would not be as easy. > Do you agree? > > b) Helm-bibtex identifies which references have a note file, adding a > symbol on the reference list. Can we make helm-bibtex look into a single > file (say the "notes.org" file), look for the :Custom_ID: properties of > the entries, and use that to mark the reference list? I am teaching > myself emacs-lisp but this is above my capacity right now. > > Many thanks, > > Julian