Excellent, thanks for the workaround, that gets _me_ by, for now..... ~Malcolm
> -----Original Message----- > From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com] > Sent: Tuesday, December 11, 2012 2:40 PM > To: Cook, Malcolm > Cc: r-discuss...@listserv.stowers.org; r-devel@r-project.org; > phgrosj...@sciviews.org; Blanchette, Marco > Subject: Re: library(tcltk) v. SIGPIPE BUG (?!?) > > On Tue, Dec 11, 2012 at 3:14 PM, Cook, Malcolm <m...@stowers.org> wrote: > > Hi R-devel, tcltk devel, and sqldf devel, > > > > The transcript below shows how loading the tcl/tk library in under R causes > > subprocesses to ignore SIGPIPE. > > > > I am including the developer of the (wonderful) sqldf package since it > > requires tcltk and you might like to make this dependence > optional to the user (at least until this is fixed in tcltk). > > > > Am I mistaken in calling this a 'bug'? > > > > Any insights appreciated! > > > > Thanks, > > > > Malcolm Cook > > Computational Biology - Stowers Institute for Medical Research > > > > > >> system(intern=TRUE,'yes | head ') > > [1] "y" "y" "y" "y" "y" "y" "y" "y" "y" "y" > >> library(tcltk) > > Loading Tcl/Tk interface ... done > >> system(intern=TRUE,'yes | head ') > > > > ### this now does not return to the prompt and Looking at 'top' shows that > > 'yes' is running until I hit ctrl-c, after which it returns. > > C-c C-c > > [1] "y" "y" "y" "y" "y" "y" "y" "y" "y" "y" > > > > > >> sessionInfo() > > R version 2.15.1 (2012-06-22) > > Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit) > > > > locale: > > [1] C > > > > attached base packages: > > [1] tcltk stats graphics grDevices utils datasets methods > > base > >> > > > > > > As a workaround specify the "R" engine instead of the "tcl" engine in > wihch case gsubfn (which is called by sqldf) won't try to use the > tcltk package: > > options(gsubfn.engine = "R") > library(sqldf) > > > > -- > Statistics & Software Consulting > GKX Group, GKX Associates Inc. > tel: 1-877-GKX-GROUP > email: ggrothendieck at gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
