From: nobu.nokada@...
Date: 2002-04-24T11:42:23+09:00
Subject: Re: Data available on a pipe?

Hi,

At Wed, 24 Apr 2002 05:57:21 +0900,
David Corbin wrote:
> I have a pipe.  I would like to read data ( preferably lines) from
> this pipe, as long as there is data (a line) availble.  I definatively
> do not wish to block on this.  What's "the ruby way" to do this?

An easy way is to use threads.

$ while sleep 3; do echo foo; done |
> ruby -e 'Thread.new{while gets; print $_; end}' \
>      -e '10.times {|i| puts i; sleep 1}'
0
1
2
foo
3
4
5
foo
6
7
8
foo
9

-- 
Nobu Nakada