On 16 Mar 2015, at 13:48, John Fox wrote:
> Dear Gabor, > >> -----Original Message----- >> From: Gábor Csárdi [mailto:csardi.ga...@gmail.com] >> Sent: March-16-15 12:39 PM >> To: John Fox >> Cc: Simon Urbanek; R-SIG-Mac >> Subject: Re: [R-SIG-Mac] checking for pdflatex >> >> 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 that's the case, then this certainly makes sense as a solution. In > fact, if the Rcmdr (development version) doesn't detect pdflatex it > provides a menu item and dialog under its Tools menu that will take > the user to <http://www.tug.org/mactex/>. That's what Texpad does (https://www.texpadapp.com). > >> >> 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. > > I think that I'll initially go for the simpler solution. I suspect > that most Rcmdr Mac OS X users won't have LaTeX installed prior to > installing the Rcmdr package. I can put an explanation in the help > page for the dialog. > > Thanks for the suggestion, > John > >> >> 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 >> >> > > > > --- > 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
