[R] Named pipe connections and stdout

Mark Myatt mark at myatt.demon.co.uk
Wed Nov 28 15:09:19 CET 2001


You write:

>Just some remarks on what may be available on this front in the near future.
>Many months ago, I did extend the "event loop" in R to handle events
>on connections (i.e. setReader()) and allow timers. Unfortunately, I
>did not get to commit it the public R code. However, I do plan on
>doing so quite soon and making the event loop more friendly to Tcl/Tk,
>Gtk, etc.  when they run in R and when R runs within those
>applications.  Given the imminent release of R-1.4.0, the changes will
>not be in that version, but will be in soon after.

That is very good news. I was thinking that connections are a relatively
new addition to R and that they would be improved over time.

>Also, I am just about to complete the RGtk package which provides R
>bindings to the Gdk and Gtk libraries. This is a possible alternative
>to Tcl/Tk and it appears to have more widgets. Of course, Tcl/Tk is on
>many machines and is known to work on Unix, Windows and Mac.  Gtk
>should work on Unix and Windows without much difficulty, and is being
>ported to the Mac.  Most of the code is automatically generated from
>what are termed .defs files describing the libraries and so it is a)
>less buggy than manually generated code, b) easy to add new libraries
>(e.g. the Gnome application library).

That should be an interesting development.

Thanks for the information,


Mark Myatt

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