From: Hal Fulton <hal9000@...>
Date: 2004-04-28T13:32:58+09:00
Subject: Re: popen issues

nobu.nokada@softhome.net wrote:
> Hi,
> 
> At Wed, 28 Apr 2004 06:06:30 +0900,
> Hal Fulton wrote in [ruby-talk:98572]:
> 
>>Here's what I was thinking (simplified):
>>
>>   io = IO.popen("/bin/bash","r+") do |f|
>>     f.puts "ls"
>>     puts f.readlines
> 
> 
> IO#readlines reads all of the lines, i.e., blocks until the all
> child processes exit or close the stdout.  You probably can use
> sysread instead, and IO#readpartial proposed by akr (see
> [ruby-talk:96220]) would help you if it is implemented.

Of course, this makes sense. Thank you.

I don't remember #readpartial but I will read about it.

Thanks,
Hal