You cannot, in general. If the program is written to process the stdin input you might be able to feed it input that it expects, but many DOS/Windows console programs use BIOS to directly access the keyboard. -- Sent from my phone. Please excuse my brevity.
On December 16, 2015 5:20:44 PM PST, Zhiqiu Hu <zhiqiu...@gmail.com> wrote: >Dear Friends, > >I want to run a standalone console program (emBayesB) from R script on >windows console. However, because the program asks user to press the >enter >key at each time after the analysis, the R code always stuck after >invoking >the emBayesB program with the "system()" function. > >For reproduce the issue, please save the following content as >a "c:\RScript.R" file >##### start ######## >AppPath="c:\\bin\\emBayesB_gs.exe" >system(AppPath, wait = TRUE) >##### end ########## > >And copy the "emBayesB_gs.exe" file into "c:\\bin". The emBayesB >program is >freely accessible at (additional file 3) the follow website >http://www.biomedcentral.com/1471-2105/11/529/additional > >Then, if you try to run the following command on windows console, you >will >see the issue. >##### start of console command ########## >c:\\R\\bin\\Rscript.exe c:\\RScript.R >##### end of console command ########## > >FYI, if you submit the "c:\\R\\bin\\Rscript.exe c:\\RScript.R" use the >"system()" function in R (tested with R-studio), you will not required >to >press the enter key to finish the run. > >Although, the emBayesB program was used in my case, but I suppose it is >a >general issue as you call any standalone program that require users >to press key to exit, by run R scripts on windows console . > >Any suggestion is appreciated! > >Please let me know if you require more information about the issue. > > [[alternative HTML version deleted]] > >______________________________________________ >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. [[alternative HTML version deleted]] ______________________________________________ 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.
