similar to: commandArgs() prints warnings to STDOUT - correction

Dear R-core Team, As Thomas Lumley pointed out in one of his e-mails one can use commandArgs() to get a copy of the command line arguments supplied when R session was invoked and then use grep to extract parameters of interest. His solution works very well if the custom options are passed by names, e.g. --my-option=value, but what if one wants to pass parameters by their positions. Then it's

Hello, I plan to use a script with R CMD BATCH on different platforms Linux, Windows and Mac OSX. I use the commandArgs(trailing = FALSE) function to retrieve the name of the script and the arguments (example below with output.) The online docs for "Introduction to R" (sections B.1 Invoking R from the command line and B.4 Scripting with R) and help("commandArgs")

Dear R experts: I am a bit stymied by how the argument picking-off works in R batch file usage. $ cat commandArgs.R cat(" Command Line Arguments were ", commandArgs(), "\n"); $ /usr/bin/R CMD BATCH commandArgs.R --args 1 2 3 $ /usr/bin/R --args 1 CMD BATCH commandArgs.R ... I am now getting into interactive mode ?! I guess it really is skipping the rest of the command line

Apologies for asking about this, but I don't quite understand how this works after looking through the FAQ and the Help archives. Let's say I want to pass "1000" as an argument to R. I did the following: >R CMD BATCH --1000 infile outfile When I do print( commandArgs() ), I see [1] ".../R.bin" "--restore" [3] "--save"

Dear R-Users, I have a data file with timestamps and I wanted to use POSIXct time data type to represent the respective column. I played around with the type and found a couple of issues: * there seems to be no direct way of reading datetimes into a variable. Let's say this is my file "1992-02-27 23:03:20 PST" "1992-02-27 22:29:56 PST" "1992-01-14 01:03:30 PST"

On 16/09/2018 4:53 AM, Voeten, C.C. wrote: > Hello, > > I have found what I believe to be a bug in the Linux version of the Rscript binary. > Under Windows (official 64-bit 3.5.1 R distribution running on an up-to-date Win10), I can do the following (e.g. under powershell): > > PS H:\Users\Cesko> Rscript -e 'ls() >>> ls()' > character(0) > character(0)

Hi all, I am setting up some R program files for use by our DB programmers to enable them to utilize some R functions which will be called from within TCL code. R has been installed on an RHEL server and R will process the results of SQL queries against an Oracle database. In some cases, they will generate a data file to be read in and processed by R, in others they will simply make the

Hi, This is not an R question per ce, but I feel like this is a right community to ask it. As a part of our work we run a lot of non-interactive computational jobs. To increase the throughput we would like to distribute the load over the entire network and we are looking at Linux network as a platform. Ideally we would like to be able to submit a job to the network, rather than to a computer, and

Dear R-Users, I am reading the "An Introduction to R" manual and have come across data() function for loading data. I assume that R requires explicit loading of data objects to save memory. Then I'd expect there should be a function that can unload the objects once they are not needed anymore, what is this function? It would be helpful if ?data contained a reference to that

Dear R-Users, It seems like once one invokes browser() inside a loop and steps through the body using 'n' any subsequent loop will be "intercepted" by debug() function. Here is exactly what I mean # fresh R session # run a loop that has browser() inside the body > for (i in seq(5)) { browser(); print(i) } for (i in seq(5)) { browser(); print(i) } Called from: NULL

Dear R-Users, I have a csv file that has NA tokens and these tokens are perfectly good values that need not to be converted to NA by read.table(). I tried to prevent the conversion by specifying the na.strings arg., but this seems to only add to the list of NA strings, not substitute. > system("cat foo") system("cat foo") 1 foo 2 NA > read.table("foo",

Dear R-Users, I have the following problem to solve and I wonder if there are means in R that can help me. At irregular time intervals I observe a random walk process, Y, with time-varying drift. I assume that the drift, D, is a (linear) function of some parameter X. The goal is to estimate D(X). I could regress Y_{t+dt} - Y_{t} ~ X, but it's probably not appropriate since Var(Y_{t+dt} -

system(..., intern=TRUE) splits long lines after 118th character and discards the 119th character > a <- paste(rep("a", 124), collapse="") > system(paste("echo", a), intern=TRUE) system(paste("echo", a), intern=TRUE) [1] "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Full_Name: Vadim Ogranovich Version: Version 1.6.0 (2002-10-01) OS: Red Hat 7.1 Submission from: (NULL) (209.99.241.1) The following sequence of commands crashes my R session. The first weirdness happens after the second command that appears not to change the "foo.gz" file, no error generated. > con <- gzfile("foo.gz", open="w"); cat("goo\n",

Original incorrect subject line was Subject: [Rd] multi.line=FALSE does not work in scan() (PR#1210) It *does* work quite correctly: this was an erroneous file nd you got an error, just one you didn't understand. Please don't use grossly misleading subject lines: they are all that appear in the BUGS file. On Tue, 11 Dec 2001 vograno@arbitrade.com wrote: > The following applies to

Hello list, We know that CTDB uses lockfile in the cluster file system to prevent split-brain. It is a really good design when all nodes in the cluster can mount the cluster file system (e.g. GPFS/GFS/GlusterFS) and CTDB can work happily in this assumption. However, when split-brain happens, the disconnected private network violates this assumption usually. For example, we have four nodes (A, B,

I think there's a minor bug in the argument-processing carried out by Rscript. The effect is that if one passes "-g" as a flag to the script, it is erroneously exposed to the main executable's argument processing and therefore generates a message about not being able to comply with the request for a particular GUI. Uppercase G is fine as are the other 25 letters in upper or

I was on vacation the last week and wrote some code to run a 500-day correlation between the Nasdaq tracking stock (QQQ) and 191 currency pairs for 500 days. The initial run took 9 hours(!) and I'd like to make it faster. So, I'm including my code below, in hopes that somebody will be able to figure out how to make it faster, either through parallelisation, or by making changes. I've

Hi, $ cat commandArgs.R args=commandArgs(trailingOnly=TRUE) args[1]+10 I have the above code. But the following command line gives me an error. I am wondering what is the correct way to convert a string to a vector? $ Rscript commandArgs.R 1:3 > args=commandArgs(trailingOnly=TRUE) > args[1]+10 Error in args[1] + 10 : non-numeric argument to binary operator Execution halted Regards, Peng

I have the following script (also attached): #!/usr/bin/Rscript spec=matrix(c( 'verbose', 'v', 1, "integer", 'help' , 'h', 0, "logical" ),ncol=4, byrow=TRUE) spec.dim=dim(spec) spec.opt.long=spec[,1] spec.opt.short=spec[,2] spec.opt.l <- spec.dim[1] infile <- "test.dat" args=commandArgs(TRUE); l=length(args) self =