From: Gyoung-Yoon Noh <nohmad@...>
Date: 2005-10-28T06:06:00+09:00
Subject: Re: Ruby readline - completion based on already-entered commands

Oops, I misread your question. Sorry for noise.

Do you mean argument-specific completion?
As far as I know, most readline-based programs tend to parse
user input manually. How can it be achived by other language?


On 10/28/05, Gyoung-Yoon Noh <nohmad@gmail.com> wrote:
> Hi,
>
> $ cat rlcomp.rb
> require "readline"
>
> nominee = %w[foo bar baz quit]
> Readline.completion_proc =
>   lambda { |s| nominee.find_all { |e| e.match(s) } }
>
> begin
>   line = Readline.readline("prompt> ")
>   puts line
> end until line =~ /quit/
>
> $ ruby rlcomp.rb
> prompt> ba
> bar baz
>
>
> HTH.
>
> On 10/28/05, Matt Wilkins <mcw@cs.ubc.ca> wrote:
> >
> > hi,
> >
> > i'm new to ruby, and having the problem Bill Atkins was having with
> > the readline library.  i searched the archives and found this thread.
> > unfortunately no great solution.  there was the partial solution from
> > Dave Baldwin that involved changing the word split character.  as he
> > pointed out the real problem is that ruby readline doesn't provide the
> > whole line buffer so one cannot do context line completion.
> >
> > i'm wondering on the follow up process.  there is a patch to fix this
> > at:
> >
> >    http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/54796
> >
> > it was posted back in nov 2002.  but hasn't made it in so far (checked
> > 1.8.3), but has been a problem for 3 or 4 years.  was the patch no
> > good?
> >
> > thanks for any insight
> >
> > matt
> >
> > On 11 Aug 2005, at 15:44, Bill Atkins wrote:
> > > How can I use the builtin readline library to complete arguments to
> > > commands?  I have basic completion working now, so that
> > >
> > > %wmi > st [TAB]
> > >
> > > will show valid commands starting with "st" (in this case "start"
> > > and "stop"), but how do I complete arguments specific to that
> > > command?
> > >
> > > For instance, if the user has already typed "start Te" and then hits
> > > TAB, it should show completions specific to the start command (in
> > > this case "TestDevice" and "TerminalServer"), but I'm not clear on
> > > how to do this.
> > >
> > > --
> > > Bill Atkins
> > >
> > >
> >
> >
>
>
> --
> http://nohmad.sub-port.net
>


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