search for: r_interact

Hi, I'm currently trying to use R as a back-end from an interface (you may have seen me on the help list), and I'm running into something that is rather confusing. The following lines in main/errors.c of R 1.5.1: 439: if ( !R_Interactive && !haveHandler && inError ) { 440: REprintf("Execution halted\n"); 441: R_CleanUp(SA_NOSAVE, 1, 0); /* quit, no save, no .Last, status=1 */ 442: } Which seems to not make any sense at all. I've scoured the code and can't figure out what the...

...n Windows), it assumes that it is interactive if ?stdin? is connected to a (pseudo-)terminal and not if ?stdin? is redirected to a file or pipe. Command-line options --interactive (Unix) and --ess (Windows, |Rterm.exe|) override the default assumption" But the code in system.c does this: R_Interactive = R_Interactive && (force_interactive || isatty(0)); R_Interactive is set to FALSE in the -e/-f processing, and force_interactive is set to TRUE in the --interactive processing, so there is no way that it can ever override -e/-f. It seems that --interactive can only have an effect fo...

...maybe it should be wrapped in something similar to R_ToplevelExec? ========================== On a related note, I found during my PL/R debugging that the segfault was causing the same console based, interactive, "*** caught segfault ***" logic to execute. I was able to confirm that R_Interactive was set to TRUE in my PL/R session. It seems that Rf_initEmbeddedR() sets R_Interactive to TRUE and depends on the output of isatty() to change it to FALSE in Rf_initialize_R() if there is no tty. Unfortunately, the most common methods for starting Postgres leave the tty attached (stdout an...

...e if ?stdin? is connected to a (pseudo-)terminal > and not if ?stdin? is redirected to a file or pipe. Command-line options > --interactive (Unix) and --ess (Windows, |Rterm.exe|) override the > default assumption" > But the code in system.c does this: > R_Interactive = R_Interactive && (force_interactive || isatty(0)); > R_Interactive is set to FALSE in the -e/-f processing, and > force_interactive is set to TRUE in the --interactive processing, so > there is no way that it can ever override -e/-f. It seems that > --in...

...on = StartupRestoreAction.NoRestore, NoRenviron = false }; rEngine.Initialize(rStartParams); // calls the R API R_SetParams, then setup_Rmainloop I gather that the following is hit in src/R-3.0.2/src/unix/system.c, in the function Rf_initialize_R: if (!R_Interactive && Rp->SaveAction != SA_SAVE && Rp->SaveAction != SA_NOSAVE) R_Suicide(_("you must specify '--save', '--no-save' or '--vanilla'")); I don't understand why it would complain if spawned by mpiexec and fine otherwise. I do not have a...

...rn(R_NilValue); } for(i = 0; i < Rf_length(cmdexpr); i++) ans = R_tryEval(VECTOR_ELT(cmdexpr, i),NULL,&Rerr); UNPROTECT(2); return(ans); } int embedR(int argc, char **argv){ structRstart rp; Rstart Rp = &rp; R_DefParams(Rp); Rp->NoRenviron = 0; Rp->R_Interactive = (Rboolean)1; R_SetParams(Rp); R_SignalHandlers=0; if (!getenv("R_HOME")) { fprintf(stderr, "R_HOME is not set. Please set all required environment variables before running this program.\n"); return(-1); } int stat= Rf_initialize_R(argc,(char **) a...

...at least I think that is what happens, at least on some configurations. Here's a repeatable example: cd R_HOME/tests/Embedding touch tmp.R make tryEval and then (correct) > ./tryEval --slave Error in sqrt("") : Non-numeric argument to mathematical function Caught an error calling sqrt(). Try again with a different argument. [1] 3 versus (non-interactive; no return) >

Digital Alpha (various), Digital UNIX V4.0[EF], R-1.0.0, gcc, f77 When using batch mode with the save option, an error message is issued. However [I have just discovered that] it appears that the operation does complete, i.e. the .RData file is saved successfully. The main problem is that the return code is non-zero (and so it is impossible to distinguish this "non-error" from some

...n: a user is asked a question an should answer with YesNoCancel (maybe dialog) Rp->YesNoCancel = myYesNoCancel; // on R state changed: busy(=1)/idle(=0) Rp->Busy = myBusy; Rp->home = getRUser(); // R-Settings... Rp->R_Quiet = (Rboolean)FALSE; Rp->R_Interactive = (Rboolean)TRUE; Rp->RestoreAction = SA_RESTORE; Rp->SaveAction = SA_NOSAVE; // our parameters R_SetParams(Rp); R_set_command_line_arguments(0, NULL); GA_initapp(0, NULL); readconsolecfg(); /// run_Rmainloop() starting in a different thread

I'm in the process of porting R header files to Delphi. The short term aim is to be able to make calls into the R.dll from Delphi; the longer term aim is to play around with writing a Windows front-end with some of the features of the S-PLUS environment (e.g. scripts), and other features from other IDEs I've used (e.g. watch windows, popup values of variables selected by mouse, etc.)

...int argc = 4; DllInfo *info; setenv("R_HOME","/usr/lib/R",0); structRstart rp; Rstart Rp = &rp; R_setStartTime(); R_DefParams(Rp); Rp->R_Quiet = TRUE; Rp->RestoreAction = SA_RESTORE; Rp->SaveAction = SA_NOSAVE; R_SetParams(Rp); R_Interactive = TRUE; Rf_initialize_R(argc, argv); setup_Rmainloop(); R_ReplDLLinit(); info = R_getEmbeddingDllInfo(); R_registerRoutines(info, cMethods, callMethods, NULL, NULL); } int main (int argc, char** argv) { int i; initR(); r_exec("x <- function (f) { .Call(\"s...

flusHi, I am connecting R to a PHP web script. The first effort attempted to use a named pipe but gave up on that because PHP could not read any data from the named pipe. I changed to using a temp file but it also has problems. It appears that the file to which R's output is redirected is not recieving any output until the pipe connection form PHP is closed. I think this means that R is

...No = -1, Cancel = 0 }; enum RUIMode { RGui = 0, RTerm, LinkDLL }; [StructLayout(LayoutKind.Sequential)] struct RStartStruct { public RBool R_Quiet; public RBool R_Slave; public RBool R_Interactive; public RBool R_Verbose; public RBool LoadSiteFile; public RBool LoadInitFile; public RBool DebugInitFile; public SaType RestoreAction; public SaType SaveAction; public uint vsize; public uint nsize;...

...not happen until the process exits and/or R is shut down. Evaluating `warnings()` returns NULL (NILSXP). It seems like the warnings are stuck in a list out of `warnings()`'s reach, waiting to be processed. I cannot seem to find why or how to force that to happen. The embedded R is interactive (R_Interactive is 1). Moreover, when the evaluation of another R expression after the warnings results in an R error I get the error message shown followed by pending warnings. When tracing what happens during an error I found that verrorcall_dflt() in src/main/errors.c calls PrintWarnings(). That function i...

...rminated. Fix? First of all, I suggest that the original .RData be rename()'d before it is opened for writing (the backup may or may not be removed afterwards). Secondly, do we really want this behaviour where isatty() is called at a very late stage, or would we rather have the logic depend on R_interactive? The cases to consider is when an interactive session gets backgrounded, or loses its controlling terminal. And shouldn't there be a signal handler for the TERM signal, to ensure that things get wrapped up? [Fortunately, the important bits of that workspace had been dumped out previously, s...

Earlier I posted the message below to R-announce. Please, let me appologize for this mistake, it was not intended. The solution was provided by Duncan Murdoch who passed on a message he recieved from Brian Ripley which informed me that settimg R_Interactive to 1 changes the default behavor of aborting on an error. Thankyou, Don Wingate. -----Original Message----- From: Don Wingate [mailto:Don.Wingate@IntelliChem.com] Sent: Tuesday, October 03, 2000 9:35 AM To: r-announce@lists.R-project.org Subject: Parse Errors Dear R Development Team, Using...

...re doing it. They are of course intended to be a feature, but in this case it causes us trouble. Would it be possible to get a command line switch to control this behaviour? I'm not sure pseudo terminals can be used portably, or can they? Are those few lines with the isatty's, which set R_Interactive to FALSE, the only places that need to be patched (besides adding the switch somewhere)? Should I send in a complete patch or is a request for functionality sufficient? Lots of questions there, grateful for any answers! :-) Bjarni -- INFORMATION WANTS TO BE FREE

...mirrors. When this happens, Rserve does not return; it just waits there, and the Rserv connection becomes unattainable. As a possible solution, we tried to disable R interactive mode (see ?interactive). The CRAN package 'interactivity' provides a function to toggle C level global variable R_Interactive. However, setting interactive mode to false, also results in that R exits the R session on every error. This is not what we want, we would like to keep the R sesion alive and leave the R error handling unaffected, and only suppress any prompts or dialogs that prevent the call from returning. [...

...don't init the R-server if (!connectToGui()) return; // set the start time R_setStartTime(); // Definel callback handler struct structRstart RParams; R_DefParams (&RParams); RParams.R_Quiet = FALSE; // RParams.R_Interactive = TRUE; RParams.R_Verbose = FALSE; RParams.R_Slave = FALSE; RParams.RestoreAction = SA_RESTORE; RParams.SaveAction = SA_NOSAVE; RParams.rhome = get_R_HOME (); RParams.home = getRUser (); RParams.C...

...No = -1, Cancel = 0 }; enum RUIMode { RGui = 0, RTerm, LinkDLL }; [StructLayout(LayoutKind.Sequential)] struct RStartStruct { public RBool R_Quiet; public RBool R_Slave; public RBool R_Interactive; public RBool R_Verbose; public RBool LoadSiteFile; public RBool LoadInitFile; public RBool DebugInitFile; public SaType RestoreAction; public SaType SaveAction; public uint vsize; public uint nsize;...