From: ptkwt@... (Phil Tomson)
Date: 2004-09-17T08:39:53+09:00
Subject: Re: expect.rb in 1.8.2

In article <cid4d9023v@enews1.newsguy.com>,
Phil Tomson <ptkwt@aracnet.com> wrote:
>In article <5d4c6124040916141239321053@mail.gmail.com>,
>Lennon Day-Reynolds  <rcoder@gmail.com> wrote:
>>Phil,
>>
>>The 'expect.rb' library uses 'select()', which only works for sockets
>>on Windows, not regular file handles, IIRC. Looking at the source,
>>though, it seems to only work on a single file handle at a time,
>>anyway, so I'm not sure what it buys you something like the
>>uber-simple version below.
>>
>>-- 'miniexpect.rb'
>>require 'timeout'
>>
>>class IO
>>  def expect(pat, wait=9999999)
>>    result = nil
>>    buff = ''
>>    begin
>>      timeout(wait) do
>>        c = getc.chr
>>        buff << c
>>			
>>        if pat.match(buff)
>>          result = [buff, *mat.to_a[1..-1]]
>>        end
>>      end
>>    rescue Timeout::Error; end
>>    
>>    if block_given?
>>      yield result
>>    else
>>      return result
>>    end
>>  end
>>end
>>--
>>
>>-- 
>>Lennon
>>rcoder.net
>>
>>
>
>

I hit 'send' a bit prematurely...


There is no PTY lib on Windows either (not surprising); all of the expect 
examples I've seen seem to rely on it.

Phil