Dear Rainer, Thanks for this. I already have a more general fix that followed from one of Simon Urbanek's posts yesterday. The sticking point now is having a CRAN package -- the Rcmdr -- mess with the PATH for the R process.
Best, John On Tue, 17 Mar 2015 12:02:39 +0100 Rainer M Krug <rai...@krugs.de> wrote: > Gábor Csárdi <csardi.ga...@gmail.com> 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 <j...@mcmaster.ca> 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:simon.urba...@r-project.org] > >> > Sent: March-16-15 10:39 AM > >> > To: John Fox > >> > Cc: Ian Gow; r-sig-mac@r-project.org > >> > 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 <j...@mcmaster.ca> wrote: > >> > > > >> > > Dear Ian, > >> > > > >> > > Thanks for this. Please see below: > >> > > > >> > >> -----Original Message----- > >> > >> From: Ian Gow [mailto:iand...@gmail.com] > >> > >> Sent: March-15-15 5:07 PM > >> > >> To: John Fox > >> > >> Cc: r-sig-mac@r-project.org > >> > >> 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 > >> > >>> R-SIG-Mac@r-project.org > >> > >>> 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 > >> > > R-SIG-Mac@r-project.org > >> > > 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 > >> R-SIG-Mac@r-project.org > >> https://stat.ethz.ch/mailman/listinfo/r-sig-mac > >> > > > > [[alternative HTML version deleted]] > > > > _______________________________________________ > > R-SIG-Mac mailing list > > R-SIG-Mac@r-project.org > > https://stat.ethz.ch/mailman/listinfo/r-sig-mac > > -- > Rainer M. Krug > email: Rainer<at>krugs<dot>de > PGP: 0x0F52F982 _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac
