Doc: http://docs.oracle.com/javase/8/docs/technotes/guides/scripting/nashorn/shell.html

Section: 4.4 Global Objects

This section misses $OPTIONS object.

$OPTIONS

This object exposes command line options passed to nashorn "command line".

    jjs> print("-scripting = " + $OPTIONS._scripting);
    jjs> print("--compile-only = " + $OPTIONS._compile_only);
    jjs> print("-timezone = " + $OPTIONS._timezone.ID);