Re: Select and insert multiple bibliography entries into one \cite command with regexp search.

[Hongyi Zhao]

On Thu, Aug 12, 2021 at 8:41 PM Vladimir Lomov <lomov.vl@yandex.ru> wrote:
>
> Hello,
> ** Hongyi Zhao <hongyi.zhao@gmail.com> [2021-08-12 17:48:21 +0800]:
>
> > No. Your above conclusion is partially right. See my following testing 
> > results:
>
> > ---
> > \documentclass{article}
> > \usepackage{natbib}
> > \bibliography{/home/werner/Documents/bibliograph/better-bibtex/references-bibtex.bib}
> > \begin{document}
>
> > \begin{verbatim}
> >  (insert "\n" (format "%S" (symbol-value reftex-docstruct-symbol)))
> > ((xr nil "\\\\\\\\\\\\") (index-tags) (is-multi nil) (bibview-cache)
> > (master-dir . 
> > "/home/werner/Desktop/work/emacs-auctex/reftex-docstruct-symbol/")
> > (label-numbers) (bof
> > "/home/werner/Desktop/work/emacs-auctex/reftex-docstruct-symbol/reftex-docstruct-symbol.tex")
> > (bib 
> > "/home/werner/Documents/bibliograph/better-bibtex/references-bibtex.bib")
> > (eof 
> > "/home/werner/Desktop/work/emacs-auctex/reftex-docstruct-symbol/reftex-docstruct-symbol.tex"))
> > \end{verbatim}
>
> > \bibliographystyle{plainnat}
> > \end{document}
>
> > %%% Local Variables:
> > %%% mode: latex
> > %%% TeX-master: t
> > %%% End:
> > ---
>
> You persistently provide WRONG example. The '\bibliography' command shouldn't
> be used in preamble, it is meaningless! The purpose of this command is to
> write necessary information into AUX file on first run and then to include BBL
> file on next run (before next one must run bibtex on AUX file).
>
> > But use the `\string~' variable to point to the bib file won't work:
>
> > ---
> > \documentclass{article}
> > \usepackage{natbib}
> > \bibliography{\string~/Documents/bibliograph/better-bibtex/references-bibtex.bib}
> > \begin{document}
>
> > \begin{verbatim}
> >  (insert "\n" (format "%S" (symbol-value reftex-docstruct-symbol)))
> > ((xr nil "\\\\\\\\\\\\") (index-tags) (is-multi nil) (bibview-cache)
> > (master-dir . 
> > "/home/werner/Desktop/work/emacs-auctex/reftex-docstruct-symbol/")
> > (label-numbers) (bof
> > "/home/werner/Desktop/work/emacs-auctex/reftex-docstruct-symbol/reftex-docstruct-symbol.tex")
> > (eof 
> > "/home/werner/Desktop/work/emacs-auctex/reftex-docstruct-symbol/reftex-docstruct-symbol.tex"))
> > \end{verbatim}
>
> > \bibliographystyle{plainnat}
> > \end{document}
>
> > %%% Local Variables:
> > %%% mode: latex
> > %%% TeX-master: t
> > %%% End:
> > ---
>
> Yes, according to my tests I think RefTeX couldn't "parse" argument
> '\bibliography' if it is a macro (or even starts with macro).
>
> > The key points and some additional comments:
>
> > 1. When you revise any part relevant to the `\bibliography' macro, the
> > file must be re-parsed before do the testing discussed here.
> > 2. The following options set in the init file don't ensure that the
> > document is parsed automatically when we open it:
> >       (setq reftex-enable-partial-scans t
> >                reftex-save-parse-info t)
>
> > 3. The `\string~' variable expansion doesn't work with RefTeX, but it
> > works smoothly with helm-bibtex.
>
> Didn't try that.
>
> > 4. Put the `\bibliography' macro in preamble will trigger the
> > xelatex/pdflatex/bibtex error as follows:
>
> > ----
> > ERROR: LaTeX Error: Missing \begin{document}.
>
> > --- TeX said ---
>
> > See the LaTeX manual or LaTeX Companion for explanation.
> > Type  H <return>  for immediate help.
> >  ...
>
> > l.1 \begin{thebibliography}{1}
>
> > --- HELP ---
> > LaTeX produced printed output before encountering a \begin{document}
> > command. Either you forgot the \begin{document} command or there is
> > something wrong in the preamble. The problem may be a stray character
> > or an error in a declaration---for example, omitting the braces around
> > an argument or forgetting the \ in a command name.
> > ----
>
> Exactly!
>
> > To conclude:
>
> > 1. If you use helm-bibtex, the following example works smoothly:
>
> > ---
> > \documentclass{article}
> > \usepackage{natbib}
>
> > \begin{document}
>
> > \begin{verbatim}
> >  (insert "\n" (format "%S" (symbol-value reftex-docstruct-symbol)))
> > \end{verbatim}
>
> > \cite{weiFirstprinciplesCharacterizationBibased2009}
>
> > \bibliographystyle{plainnat}
> > \bibliography{\string~/Documents/bibliograph/better-bibtex/references-bibtex.bib}
>
> > \end{document}
>
> > %%% Local Variables:
> > %%% mode: latex
> > %%% TeX-master: t
> > %%% End:
> > ---
>
> Would this example
>
> %%% doc-samp7.ltx
> ------------------------------------------------------------------------------
> \documentclass{article}
>
> \usepackage{natbib}
> \newcommand{\BibDB}{/home/vladimir/tmp/test/emacs/sample.bib}
>
> \begin{document}
>
> Sample text. Cite: \cite{test:2021aug}.
>
> \begin{verbatim}
> (insert "\n" (format "%S" (symbol-value reftex-docstruct-symbol)))
> \end{verbatim}
>
> Another cite: \cite{test2:2021aug}.
>
> \bibliographystyle{plainnat}
> % \bibliography{sample.bib}
> \bibliography{\BibDB}
>
> \end{document}
>
> %%% Local Variables:
> %%% TeX-master: t
> %%% End:
> ------------------------------------------------------------------------------
>
> work?

No. The same error will be triggered by `C-c [':

reftex-offer-bib-menu: No valid bibliography in this document, and no
default available


> Please don't forget that (La)TeX is programming language, though a bit
> specific, you shouldn't expect that any program except TeX could correctly
> parse (La)TeX document.
>
> > But the following error will be triggered when using RefTeX to insert
> > the references:
>
> > reftex-offer-bib-menu: No valid bibliography in this document, and no
> > default available
>
> > 2. The following example works smoothly with both RefTeX and helm-bibtex:
>
> > ---
> > \documentclass{article}
> > \usepackage{natbib}
>
> > \begin{document}
>
> > \begin{verbatim}
> >  (insert "\n" (format "%S" (symbol-value reftex-docstruct-symbol)))
> > \end{verbatim}
>
> > \bibliographystyle{plainnat}
> > \bibliography{/home/werner/Documents/bibliograph/better-bibtex/references-bibtex.bib}
>
> > \end{document}
>
> > %%% Local Variables:
> > %%% mode: latex
> > %%% TeX-master: t
> > %%% End:
> > ---
>
> The advice is simple: don't use full path, try to put your bibtex files into
> $HOME/texmf/bibtex/bib/hongyi/
>
> > Best regards,
> > Hongyi
>
> ---
> WBR, Vladimir Lomov
>
> --
> "Why waste negative entropy on comments, when you could use the same
> entropy to create bugs instead?"
>                 -- Steve Elias



-- 
Assoc. Prof. Hongyi Zhao <hongyi.zhao@gmail.com>
Theory and Simulation of Materials
Hebei Vocational University of Technology and Engineering
No. 473, Quannan West Street, Xindu District, Xingtai, Hebei province