r_swish.pl -- Bind Rserve to SWISH

The user must provide the file search path rserve to local the R connection library.

 r_call:r_console(+Stream, ?Data)[multifile]

Relay Rserve captured output to SWISH using writeln.

 r_call:r_console_property(?Property)[multifile]

Relay the size of the console

 r_call:r_display_images(+Images)[multifile]

Relay received images to the SWISH console using pengine_output/1.

 r_download

Provide download buttons for all created files. First calls the R function graphics.off() to close all graphics devices.

 r_download(File)

Provide a download button for the indicates file.