Open the RLE file filename. Mode is any of the standard modes allowed by the Tcl open command. Access is any of the standard access modes allowed by the Tcl open command. If access is omitted, then read access is used. Filename follows the full semantics of the file name argument to the Tcl open command. Thus the RLE file may be sent to a pipeline, which could be a viewer or post-processing program. Thus to render an image directly into the RLE X11 file viewer on a 256 color display:
set rle [SippRLEOpen "|rlequant | getx11" "w"]