Since I am not aware of an R-internals mailing list, and since this question is related to the behavior of RInside::repl(), perhaps this is the appropriate place to post this question.
The function Rstd_ReadConsole() in src/unix/sys-std.c results in the user command being echoed when R_Interactive = false, and R_NoEcho = false. But if we set R_NoEcho = true to stop the echo, the prompt is also suppressed. Setting R_Interactive = true (with R_NoEcho = false) does not suppress the prompt, but it has other side-effects like enabling the final confirmation question. Again, if we set R_NoEcho = true there is no prompt. So my question is: why does setting R_NoEcho=true turn off the prompt? Thanks, Dominick
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