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
