I have a master .bib file (call it
master.bib) holding >2500 entries. I've changed research directions since it was first created, and I would like to remove the older entries from my master file using a file from 2010 called
In essence this is something like the set difference of
One way to do this might be to add
master.bib and then use a tool with duplicate detection to remove both duplicates.
Is there a better way to do this, perhaps with
Aside: foolishly I somehow lost the 'date added' fields in moving around between reference managers.