Problem with meterpreter

[vedran-v at net.hr (Vedran V.)]

> If you locate the section where the stdapi is loaded
> (where is does the require (clirb)) and get rid of the check, it
> works.  stdapi is loaded just fine.

Hm, I try changing the below pasted code portion from core.rb but I'm getting another error:
> failure: nil is not a symbol
> ./lib/rex/post/meterpreter/ui/console/command_dispatcher/core.rb:424:in `const_get'

Did I commented the right lines?

Vedran

-------------------------------------------
...
def add_extension_client(mod)
  path = "post/meterpreter/ui/console/command_dispatcher/#{mod}.rb"

  if ((klass = CommDispatcher.check_hash(path)) == nil)
        clirb = File.join(Rex::Root, path)
        old   = CommDispatcher.constants
        
#       if (require(clirb) == true)
                new  = CommDispatcher.constants
                diff = new - old
                
#       if (diff.empty? == true)
#               print_error("Failed to load client portion of #{mod}.")
#               return false
#       end
        
        klass = CommDispatcher.const_get(diff[0])
        CommDispatcher.set_hash(path, klass)
# else
        print_error("Failed to load client script file: #{clirb}")
        return false
# end
end
...
------------------------------------------

btw. if I add something like:
        print_status("_");
        print_status(diff[0]);
        print_status("_");
I get:
        _
        [*]
        [*] _
But I don't know ruby and what that means :(


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