[OS X TeX] pdflatexmk not running the first time

[G. M.-S.]

Thanks Herb.

I shall do as you say and use
% !TEX parameter
when needed.

Still, there seems to be a flaw in the logic flow.

Thanks also for the tip about the latexmk engines typesetting twice.

Best,

Guillermo

On Sun, 20 Mar 2022 at 21:14, Herbert Schulz <herbs at wideopenwest.com> wrote:

> > On Mar 20, 2022, at 2:21 PM, G. M.-S. <lists.gms at gmail.com> wrote:
> >
> > Hi Herb.
> >
> > Everything (TeXShop and TeX Live) is up to date.
> >
> > After some experimenting, I think I found the conditions for this to
> happen.
> > 1) In TeXShop > Preferences > Engine, add the option --shell-escape and
> tick Shell Escape Warning.
> > 2) Create a new file beginning with % !TEX TS-program = pdflatexmk.
> > 3) Typeset it.  TeXShop will ask about using shell escape.  Whichever
> the answer it will ignore the program to use.
> >
> > It seems to me that on first typeset TeXShop puts a flag in the file
> saying if shell escape is to be used or not, but then it forgets the !TEX
> TS-program part.
> >
> > Guillermo
> >
> > On Sun, 20 Mar 2022 at 18:11, Herbert Schulz <herbs at wideopenwest.com>
> wrote:
> > > On Mar 20, 2022, at 11:52 AM, G. M.-S. <lists.gms at gmail.com> wrote:
> > >
> > > Hello.
> > >
> > > Something must be misconfigured on my side, but I have been unable to
> find where.
> > >
> > > The first time I typeset a new LaTeX file test.tex containing
> > >
> > > % !TEX TS-program = pdflatexmk
> > > \documentclass{article}
> > > \begin{document}
> > > Test.
> > > \begin{equation}
> > > \label{eq}
> > > 2+2=4
> > > \end{equation}
> > > As seen in \ref{eq}.
> > > \end{document}
> > >
> > > with TeXShop I get
> > >
> > > This is pdfTeX, Version 3.141592653-2.6-1.40.23 (TeX Live 2022/dev)
> (preloaded format=pdflatex)
> > >  restricted \write18 enabled.
> > > entering extended mode
> > > (./test.tex
> > > LaTeX2e <2021-11-15> patch level 1
> > > L3 programming layer <2022-02-24>
> > > (/usr/local/texlive/2021/texmf-dist/tex/latex/base/article.cls
> > > Document Class: article 2021/10/04 v1.4n Standard LaTeX document class
> > > (/usr/local/texlive/2021/texmf-dist/tex/latex/base/size10.clo))
> > >
> (/usr/local/texlive/2021/texmf-dist/tex/latex/l3backend/l3backend-pdftex.def)
> > > No file test.aux.
> > >
> > > LaTeX Warning: Reference `eq' on page 1 undefined on input line 29.
> > >
> > >
> [1{/usr/local/texlive/2021/texmf-var/fonts/map/pdftex/updmap/pdftex.map}]
> > > (./test.aux)
> > >
> > > LaTeX Warning: There were undefined references.
> > >
> > >
> > > LaTeX Warning: Label(s) may have changed. Rerun to get
> cross-references right.
> > >
> > >
> )</usr/local/texlive/2021/texmf-dist/fonts/type1/public/amsfonts/cm/cmbx10.pfb
> > >
> ></usr/local/texlive/2021/texmf-dist/fonts/type1/public/amsfonts/cm/cmr10.pfb>
> > > Output written on test.pdf (1 page, 23320 bytes).
> > > SyncTeX written on test.synctex.
> > > Transcript written on test.log.
> > >
> > > If I typeset again, latexmk is called and everything works as expected.
> > >
> > > So this seems to be related to the fact that there is only one file
> called test.*.
> > >
> > > Guillermo
> >
> > Howdy,
> >
> > This is very strange. What version of TeXShop are you using? When you
> say `first time' do you mean first time ever (i.e., you are a new user of
> TeXShop) or does this happen with any file using the pdflatexmk engine the
> first time you typeset? What is the console output when pdflatexmk is
> actually used?
> >
> > Good Luck,
> >
> > Herb Schulz
> > herbs at wideopenwest.com
>
> Howdy,
>
> Do you really want shell-escape to be enabled all the time? That's rather
> dangerous. I haven't checked that possibility and won't. So uncheck that
> option and remove the --shell-escape you added to the command(s) in the
> Engine tab of TeXShop preferences. PS: do you really want to go through a
> warning on every compile using pdflatex?
>
> If you want to use the pdflatexmk engine (or any of the latexmk based
> engines) the best way to enable shell-escape on a file by file basis is to
> use the TeXShop directive
>
> % !TEX parameter = -shell-escape
>
> for that file. That keeps things safe.
>
> There also is the sepdflatexmk engine whcih is like the pdflatexmk engine
> but with -shell-escape enabled. This method is still available but is
> deprecated.
>
> Finally, on a completely separate issue... with the 2020/10/01 update of
> LaTeX using and of the latexmk based engines for simple files that only
> need a single typeset run (i.e., no cross-references, bibliography or
> indexes) suddenly started to typeset twice. Usually one uses the latexmk
> based engines for more complex jobs but I'm lazy and often use it even for
> these ``trivial'' typesetting jobs (I go back to a time when it took almost
> a minute to typeset a single page so the extra second or so to use the
> latexmk based engine is meaningless to me) but the extra typesetting run
> was disconcerting. There is a solution: go to <https://herbs.github.io>
> and download the LaTeX2020-10-01AndLatexmk.pdf.zip file for information on
> what is happening and how to solve the problem.
>
> Good Luck,
>
> Herb Schulz
> herbs at wideopenwest.com
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