From: Dick Davies <rasputnik@...>
Date: 2005-04-29T07:02:34+09:00
Subject: Re: irb command-line editing

* Graham Nicholls <graham@rockcons.co.uk> [0459 15:59]:
> Graham Nicholls wrote:
> 
> > gabriele renzi wrote:
> > 
> >> Graham Nicholls ha scritto:
> >>> Hi.  Can anyone tell me how to get vi-style command-line editing in irb,
> >>> please.
> >>> Thanks
> >> 
> >> I guess you can set up your own inputrc file, since IRB is based on
> >> readline, and set "editing-mode" to "vi", I never trtied it, though.
> > I have a .inputrc with precisely that. ESC-k simply echoes.
> > 
> > I've tried rebuilding from source with:
> > 
> > ./configure --with-readline=YES ; make ; make install
> > 
> > ,but to no avail.
> > 
> > Is this the right redline option? DO I start irb with a parameter?
> > 
> > Thanks
> PS Sorry to followup on y own post, but when I strace the irb binary, all
> the references to readline produce an ENOENT error.  Readline is on the
> box, as I use it from bash (unless its built in?)
> Not sure if this is relevant.
> 
> Heres part of the strace output:
> 
> stat("./readline.rb", 0x7fffffffaad0)   = -1 ENOENT (No such file or
> directory)
> stat("./readline.so", 0x7fffffffaad0)   = -1 ENOENT (No such file or
> directory)

You need the readline extension - you can get it by going
into the ext/readline subdirectory of the source and doing a 
'make ; make install' - though you'll need the C readline library installed too.

-- 
'Yeah, life is hilariously cruel.'
		-- Bender
Rasputin :: Jack of All Trades - Master of Nuns