I don't know the answer to your question. If nobody else answers it, I'd suggest asking in R-devel instead, and include some simple code that illustrates the problem, e.g. using "echo" to pipe something into an R process and explaining what part of the output you want to suppress.
Duncan Murdoch On 14/01/2015 3:39 AM, marcel Austenfeld wrote: > > Dear R developers, > > i have rather a developer question. > >>From an external application (different programming language) i contact R >>through pipes (process pipes -> exec....). > > On Linux i use the R (bash) script to start the R process which will be > available in a custom shell. > > If i pipe a command to R i have the problem that the command is echoed in my > shell connection which i would like to avoid. > > A R command is written in the output stream and the problem is that it is > rewritten again in the input stream (which is output of the shell). > > If i start the bash shell independant from the R process i got the same > results if i pipe commands to the output. > > If i start a Bourne-Shell independant from the R process the command is not > echoed in the input stream. > > So maybe it is possible that R can be started without echoing the commands of > the output stream of the process under the Linux envrironment? > > On Windows for example echoing (with Rterm) is not a problem. > > Thanks in advance for any suggestion or help. > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.