Gábor Csárdi <[email protected]> writes: > John, > > my guess is that on OSX, >95% of the users have https://tug.org/mactex/, > which seems to have pdflatex in /usr/texbin. If it is not there, then most > likely the user does not have pdflatex installed, and you can give a note > or warning about it. > > If you want to be sure, you can check other tex distributions for OSX, to > be honest I don't know any other. Based on > http://mactex-wiki.tug.org/wiki/index.php/Distribution_Matrix pretty much > MacTeX is the only player. Maybe people also install TeX with brew, so it > might be worth checking that, too.
Brew does not support LaTeX, as there is MacTex. But brew-cask does, but it installs the originally binary and also links the binaries to /usr/texbin/. Cheers, Rainer > > Gabor > > On Mon, Mar 16, 2015 at 12:25 PM, John Fox <[email protected]> wrote: > >> Dear Simon, >> >> Thanks for this, and to the others who responded to my question. The FAQ >> and Matt Denwood's response jogged my memory, and reminded me that I >> encountered this problem before. >> >> In this case, I don't see a good solution, but I'll think about the >> problem some more. >> >> Without providing too many tedious details, the development version of the >> Rcmdr package checks at startup what resources are available to it, >> including pdflatex, and configures itself accordingly. Having inexperienced >> users edit, e.g., their .Renviron files is probably a non-starter. The >> Rcmdr could offer to do this at the user's option (it already provides >> dialogs that guide the user to locations of missing software like LaTeX and >> pandoc), but I'd still have to be able to figure out whether pdflatex is >> available and if so where it's located. >> >> Ian Gow suggested using locate, but I apparently can't rely on a locate >> database having been compiled -- it wasn't on my Mac -- and the overhead of >> compiling the locate db is excessive for a start-up check. >> >> Again, thanks for explaining the problem. >> >> John >> >> > -----Original Message----- >> > From: Simon Urbanek [mailto:[email protected]] >> > Sent: March-16-15 10:39 AM >> > To: John Fox >> > Cc: Ian Gow; [email protected] >> > Subject: Re: [R-SIG-Mac] checking for pdflatex >> > >> > John, >> > >> > see R for Mac FAQ 10.13: I get “command not found” in the GUI yet it >> works >> > in the Terminal – why? >> > >> > Cheers, >> > Simon >> > >> > >> > > On Mar 15, 2015, at 6:21 PM, John Fox <[email protected]> wrote: >> > > >> > > Dear Ian, >> > > >> > > Thanks for this. Please see below: >> > > >> > >> -----Original Message----- >> > >> From: Ian Gow [mailto:[email protected]] >> > >> Sent: March-15-15 5:07 PM >> > >> To: John Fox >> > >> Cc: [email protected] >> > >> Subject: Re: [R-SIG-Mac] checking for pdflatex >> > >> >> > >> I think it's driven by the PATH variable, which appears to differ for >> > >> me between RStudio and R from Terminal on the one hand and R.app on >> > >> the other. >> > > >> > > Yes, I understand that, though I don't understand why there's a >> > > difference in the path. >> > > >> > >> >> > >>> Sys.getenv("PATH") >> > >> [1] "/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin" >> > >>> Sys.which("pdflatex") >> > >> pdflatex >> > >> "" >> > >> >> > >> If I add >> > >> >> > >> Sys.setenv(PATH=paste(Sys.getenv("PATH"),"/opt/local/bin", sep=":")) >> > >> >> > >> to ~/.Rprofile then R.app finds pdflatex (from MacPorts in my case). >> > >> >> > >>> Sys.which("pdflatex") >> > >> pdflatex >> > >> "/opt/local/bin/pdflatex" >> > >>> Sys.getenv("PATH") >> > >> [1] "/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/local/bin" >> > > >> > > The problem for me is to determine whether pdflatex is installed >> > > *without* knowing in advance where it's installed. I haven't described >> > > the purpose of this, and, in the interest of brevity, won't for the >> > > time-being, but it may also prove necessary to determine where pdflatex >> > resides. >> > > >> > > Best, >> > > John >> > > >> > >> >> > >> >> > >> On 15 Mar 2015, at 16:46, John Fox wrote: >> > >> >> > >>> Dear list members, >> > >>> >> > >>> I need to determine whether pdflatex is installed and have been >> > >>> doing that via Sys.which("pdflatex"). This works when R is run in a >> > >>> terminal window (or in RStudio): >> > >>> >> > >>>> Sys.which("pdflatex") >> > >>> pdflatex >> > >>> "/usr/texbin/pdflatex" >> > >>> >> > >>> but not from R.app: >> > >>> >> > >>>> Sys.which("pdflatex") >> > >>> pdflatex >> > >>> "" >> > >>> >> > >>> The session info is the same in both cases: >> > >>> >> > >>> -------------- snip ---------------- >> > >>> >> > >>>> sessionInfo() >> > >>> R version 3.1.3 (2015-03-09) >> > >>> Platform: x86_64-apple-darwin13.4.0 (64-bit) Running under: OS X >> > >>> 10.10.2 (Yosemite) >> > >>> >> > >>> locale: >> > >>> [1] en_CA.UTF-8/en_CA.UTF-8/en_CA.UTF-8/C/en_CA.UTF- >> > 8/en_CA.UTF- >> > >> 8 >> > >>> >> > >>> attached base packages: >> > >>> [1] stats graphics grDevices utils datasets methods base >> > >>> >> > >>> -------------- snip ---------------- >> > >>> >> > >>> Why is the result different? Is there a better way to check for the >> > >>> presence of pdflatex? >> > >>> >> > >>> Any help would be appreciated. >> > >>> >> > >>> Thanks, >> > >>> John >> > >>> >> > >>> ------------------------------------------------ >> > >>> John Fox, Professor >> > >>> McMaster University >> > >>> Hamilton, Ontario, Canada >> > >>> http://socserv.mcmaster.ca/jfox/ >> > >>> >> > >>> _______________________________________________ >> > >>> R-SIG-Mac mailing list >> > >>> [email protected] >> > >>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >> > > >> > > >> > > --- >> > > This email has been checked for viruses by Avast antivirus software. >> > > >> > > _______________________________________________ >> > > R-SIG-Mac mailing list >> > > [email protected] >> > > https://stat.ethz.ch/mailman/listinfo/r-sig-mac >> > > >> >> >> --- >> This email has been checked for viruses by Avast antivirus software. >> >> _______________________________________________ >> R-SIG-Mac mailing list >> [email protected] >> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >> > > [[alternative HTML version deleted]] > > _______________________________________________ > R-SIG-Mac mailing list > [email protected] > https://stat.ethz.ch/mailman/listinfo/r-sig-mac -- Rainer M. 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