[R] How to bypass the pause in a program invoked using the "system" command

[Jeff Newmiller]

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.hu at 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.
>
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>
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