Hi,

At Thu, 5 Feb 2004 21:05:39 +0900,
Gavri Savio Fernandez wrote in [ruby-talk:91613]:
> > From: Charles Comstock [mailto:cc1 / cec.wustl.edu]
> > Subject: Irb Ri integration (Was: An assimilators guide to Python?)
> > 
> > 
> > Now that we have alot of the standard docs in ri format available in 
> > general do we have any integration between ri and irb?  That would be 
> > nice to be able to easily call them from within irb.  I mean 
> > I suppose 
> > you could just call `ri Array` or whatever, but nonetheless it seems 
> > some integration is possible.
> 
> it's a pending RCR
> 
> http://rcrchive.net/rcr/RCR/RCR197
> Abstract: Add a help() function to irb that would invoke ri on any module. 

A quick hack.


Index: lib/irb/extend-command.rb
===================================================================
RCS file: /cvs/ruby/src/ruby/lib/irb/extend-command.rb,v
retrieving revision 1.4
diff -u -2 -p -d -r1.4 extend-command.rb
--- lib/irb/extend-command.rb	29 Jul 2002 06:14:08 -0000	1.4
+++ lib/irb/extend-command.rb	5 Feb 2004 12:43:03 -0000
@@ -101,4 +101,7 @@ module IRB
       [:irb_kill, :Kill, "irb/cmd/subirb", 
 	[:kill, OVERRIDE_PRIVATE_ONLY]],
+
+      [:irb_help, :Help, "irb/cmd/help",
+        [:help, NO_OVERRIDE]],
     ]
 
Index: lib/irb/cmd/help.rb
===================================================================
RCS file: lib/irb/cmd/help.rb
diff -N lib/irb/cmd/help.rb
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ lib/irb/cmd/help.rb	5 Feb 2004 12:48:02 -0000
@@ -0,0 +1,23 @@
+require 'rdoc/ri/ri_driver'
+
+module IRB
+  module ExtendCommand
+    module Help
+      begin
+        @ri = RiDriver.new
+      rescue SystemExit
+      else
+        def self.execute(context, *names)
+          names.each do |name|
+            begin
+              @ri.get_info_for(name.to_s)
+            rescue RiError
+              puts $!.message
+            end
+          end
+          nil
+        end
+      end
+    end
+  end
+end


-- 
Nobu Nakada