P. A. wrote:
> I have the development package for Readline called libreadline-dev on my 
> system. I haven't got the Readline Ruby library (no such file to load -- 
> readline (LoadError)). Should I recompile the Ruby with the Readline 
> extension included? Will irb work then?

Yes, but you don't need to rebuild all of ruby. Just go into 
ext/readline and run

ruby extconf.rb
make
make install #(as root if needed)

(and you may want to check out the recent thread about .irbrc files for 
some neat tricks)

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407