ruby--ruby/bin/ri

#!/usr/bin/env ruby
# usage:
#
#   ri  name...
#
# where name can be 
#
#   Class | Class::method | Class#method | Class.method | method
#
# All names may be abbreviated to their minimum unbiguous form. If a name
# _is_ ambiguous, all valid options will be listed.
#
# The form '.' method matches either class or instance methods, while 
# #method matches only instance and ::method matches only class methods.

require 'rdoc/ri/ri_driver'

######################################################################

ri = RiDriver.new
ri.process_args