If you have \includeonly{chapter1.tex} in your main.tex, then you don't need to
do anything. The usual commands work in both files as long as the TeX-master
local variable is set to main.tex.
Change the \includeonly as needed or comment it out to compile the whole
document.
All the best,
Greg
> ----------------------------------------------------------------------
> Date: Sun, 15 Dec 2024 14:32:17 -0500
> From: Kourosh Kalayeh <k.kala...@gmail.com>
> To: auctex@gnu.org
> Subject: Compiling Individual Files in Multi-File Projects
> Message-ID: <m05xnkn3ni....@gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> HI everyone,
>
> I am looking for a way to compile a single file in a multi-file LaTeX project
> without adding a standalone preamble to the subfiles. The goal is to compile
> the subfile while still using the preamble and settings defined in the main
> document.
>
> I am working on a large document (=main.tex=) that is comprised of different
> sections (=chapter1.tex=, =chapter2.tex=, etc). Currently, I am using
> =\include= command in =main.tex= to compile the full document, and this works
> well.
>
> However, I also want the flexibility to compile individual files (e.g.,
> =chapter1.tex=) separately, so I can send them out for review and
> feedback. Ideally, this should use the preamble and settings from =main.tex=
> without requiring me to manually copy or add a preamble to the subfiles.
>
> Is there a recommended workflow in AUCTeX for such cases? Specifically:
>
> 1. How can I set up AUCTeX to compile subfiles individually, leveraging the
> main file’s preamble?
>
> 2. Is TeX-region the best approach for this? If so, how should I configure it
> for this use case?
>
> I’d appreciate any suggestions, configurations, or workflows you’ve found
> effective for this scenario.
>
> Thanks,
> Kourosh
