Similar enough problem to call 'confirmed' on dapper:
irb(main):001:0 help
unrecognized option `--readline'
For help on options, try 'ri --help'
NoMethodError: private method `execute' called for
IRB::ExtendCommand::Help:Module
from (eval):3:in `irb_help'
from (eval):9:in
Ok, I think I found the missing dependency. I just apt-get'ed ri and
rdoc and am now getting the correct answer:
irb(main):001:0 help
= nil
help File for example gives me the help for the class File.
To make this work I installed these version:
ri 1.8.2-1
rdoc1.8 1.8.4-1ubuntu1.1
ri1.8
