I have a "master" .bib file which I used for adding all my references to papers in the .lyx file.
I want my collaborator to now make some edits and add some references, but I don't want to give him my whole .bib file because it has thousands of entres and my own personal notes as comments.
Is there a way for LyX to generate only the .bib entries necessary for this particular project, and then we can use that .bib file for the rest of our work on this paper?
.auxfile, but it's hidden away in a temporary directory. Where depends on your operating system I think, but try going to Tool --> Preferences --> Paths in LyX, and find the path to "Temporary directory". There you'll probably find a subfolder which contains the.texfile generated by LyX, and the various temporary files generated during compilation. Try grabbing the.auxfile from there, and use one of the methods in the questions moewe mentions. – Torbjørn T. Oct 20 '18 at 17:52