Report Capabilities of this Build of R
Report on the optional features which have been compiled into this build of R.
capabilities(what = NULL)
- character vector or
NULL, specifying required components.
NULLimplies that all are required.
A named logical vector. Current components are
- is the
- is the
- is the
- is the tcltk package operational?
Note that to make use of Tk you will almost always need to check
"X11"is also available. unix
urland the internal method for
make.socketand related functions available?
- is there support for integrating
libxmlwith the R event loop?
- are FIFO connections supported?
- is command-line editing available in the current R
session? This is false in non-interactive sessions.
It will be true for the command-line interface if
readlinesupport has been compiled in and --no-readline was not used when R was invoked. (If --interactive was used, command-line editing will not actually be available.)
- is internationalization conversion via
iconvsupported? Always true as from R 2.10.0.
- is there Natural Language Support (for message translations)?
- is there support for memory profiling? See
- is there support the
cairo_psdevices, and for
type = "cairo"in the unix
X11graphics device and the X11-based data editor available? This loads the X11 module if not already loaded, and checks that the default display can be contacted unless a
X11device has already been used. aquaAre the
R.appGUI components and the
quartzfunction operational? Only on some OS X builds. Note that this is distinct from
.Platform$GUI == "AQUA", which is true when using the Mac
R.appGUI console. windows X11always
FALSEon Windows. aqua
FALSEexcept on OS X.
capabilities() if(!capabilities("http/ftp")) warning("internal download.file() is not available") ## See also the examples for 'connections'.
Looks like there are no examples yet.