How can I apply `bibtex-fill-entry` to the whole buffer?

Question

When I run bibtex-fill-entry it formats the current entry block where the cursor is at. Note that bibtex-fill-entry (C-c C-q) Fill current BibTeX entry. So I have to traverse all the entries to align them one by one which is time consuming.

Instead I want to apply bibtex-fill-entry for all fields in the bibtex buffer, after each save after-save-hook. How can I apply bibtex-fill-entry to entire buffer (all the entries)?

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Here cursor is at the beginning of the title = {Clique}, line. When I do M-x bibtex-fill-entry it only aligns the first entry. I also want to align second entry (considering all entries in the buffer).

@electronic{clique,
        title          = {Clique},
  url          = {https://github.com/ethereum/EIPs/issues/225/},
}

@electronic{geth,
          title        = {Geth},
  url          = {https://github.com/ethereum/go-ethereum/wiki/geth/},
}

Related: How to make emacs align and indent a bibtex entry?

Answer 1

EDIT: There is bibtex-reformat which will reformat the whole buffer (or the selected region), so there is no need to define a macro: M-x bibtex-reformat will do it all.

[Obsolete answer] Go to the beginning of the buffer and create a keyboard macro that does bibtex-fill-entry (bound to C-c C-q) and then bibtex-next-entry (bound to M-}):

C-x ( C-c C-q M-} C-x )

That defines an anonymous macro that you can execute once with C-x e to try it out. You should be at the beginning of the third entry at this point, so all you have to do is repeat the invocation of the macro: C-u 1000 C-x e. That will repeat it 1000 times; if you have more entries, just do it again (maybe with a larger number).

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The reason that M-} was ineffective in my case, was that @electronic was not a known BibTeX entry type. When I changed it to @article, it worked. I presume there is a way to add new entry types to bibtex, but I haven't gone down that path.