[Rd] getGraphicsEvent on X11 and event queuing

Hi R-Devel, I've been working on an oscilloscope project using an Arduino microcontroller board. I found that it's quite easy to get realtime updates, e.g. 30+ frames per second, if I read data from the board in a little Rcpp library. I have to use dev.hold() and dev.flush() to keep the plot from

[Rd] readlines() truncates text file with Codepage 437 encoding

Hello r-devel, The attached Code page 437-encoded file contains 245 characters (including the final newline), but readLines only reads 242 of them: > test_text <- readLines(file('437__characters.txt', encoding='437')) Warning message: In readLines(file("437__characters.txt", : incomplete fina