1 files changed, 41 insertions, 0 deletions
diff --git a/jni/ruby/lib/irb/cmd/help.rb b/jni/ruby/lib/irb/cmd/help.rb
new file mode 100644
index 0000000..028cc35
--- /dev/null
+++ b/jni/ruby/lib/irb/cmd/help.rb
@@ -0,0 +1,41 @@
+#
+#   help.rb - helper using ri
+#   	$Release Version: 0.9.6$
+#   	$Revision: 38358 $
+#
+# --
+#
+#
+#
+
+require 'rdoc/ri/driver'
+
+require "irb/cmd/nop.rb"
+
+# :stopdoc:
+module IRB
+  module ExtendCommand
+    class Help<Nop
+      begin
+        Ri = RDoc::RI::Driver.new
+      rescue SystemExit
+      else
+        def execute(*names)
+          if names.empty?
+            Ri.interactive
+            return
+          end
+          names.each do |name|
+            begin
+              Ri.display_name(name.to_s)
+            rescue RDoc::RI::Error
+              puts $!.message
+            end
+          end
+          nil
+        end
+      end
+    end
+  end
+end
+# :startdoc: