From: Todd <toddkennethbenson@...>
Date: 2005-11-23T06:07:25+09:00
Subject: Re: Command buffer in irb


Kero wrote:
> On 2005-11-22, Eric Hodel <drbrain@segment7.net> wrote:
> > On Nov 21, 2005, at 10:32 PM, Todd wrote:
> >
> >> So I decided to try out Ubuntu on a different partition.  I built Ruby
> >> 1.8.3, and now in irb I can't hit the up arrow to bring up my last
> >> command(s).  Is there a way to set this up?  I'm asking because I'm a
> >> terrible typist and require this much-needed tool (crutch).
> >
> > Sounds like you're missing libreadline
>
> Look in ext/readline/mkmf.log to see why Ruby misses it.
>
> Usually headerfiles are not found. Can't imagine Ubuntu doing something
> special with them, tho.
>
> Doing
>   require 'readline'
> in Ruby may also tell you something extra. On the command line
>   ldd /path/to/local/ruby/i?86-linux/readline.so
> might help you. Finally, check whether you are running the Ruby you think
> you are running,
>   type -a ruby
> and ruby -v for all of them if it's more than one.
>
> Hth,
> Kero.

Thanks a lot, you guys.  mkmf.log revealed that I was missing ncurses
of all things!

Works great now.

Todd