diff options
Diffstat (limited to 'ruby_1_9_3/lib/irb/cmd/help.rb')
-rw-r--r-- | ruby_1_9_3/lib/irb/cmd/help.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/ruby_1_9_3/lib/irb/cmd/help.rb b/ruby_1_9_3/lib/irb/cmd/help.rb new file mode 100644 index 0000000000..67cf89990b --- /dev/null +++ b/ruby_1_9_3/lib/irb/cmd/help.rb @@ -0,0 +1,39 @@ +# +# help.rb - helper using ri +# $Release Version: 0.9.6$ +# $Revision$ +# +# -- +# +# +# + +require 'rdoc/ri/driver' + +require "irb/cmd/nop.rb" + +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 |