From: "ara.t.howard" <ara.t.howard@...>
Date: 2008-09-26T01:15:46+09:00
Subject: Re: How to read a PIPE in unbuffered way?


On Sep 24, 2008, at 4:33 PM, Iņaki Baz Castillo wrote:

> Hi, I'd like to know the Ruby equivalent to the following Perl code:
>
> ---------------------
> open(PIPE,"ngrep dst port 80 |");
> select(PIPE); $| = 1;   # make unbuffered
> select(STDOUT); $| = 1; # make unbuffered
>
> while(<PIPE>)
> {
>        chomp($_);
>        s/
> //ig;
>        s/  // if(/^ /);
> 	#### process and change the captured data before writting to the  
> screen ####
> }
> close(PIPE);
> -------------------------
>
> "ngrep" itself is a Linux command that captures TCP/UDP data and  
> prints it to
> the screen. In this case I capture traffic with destination port 80.
>
> I assume I must start with:
>
>  f = IO.popen("ngrep dst port 80")
>
> but no idea of what to do after that. Any help please? Thanks a lot.
>
>
>
> -- 
> Iņaki Baz Castillo
>

ammunition

require 'io/nonblock'


http://codeforpeople.com/lib/ruby/nbfifo/nbfifo-0.0.0/README




a @ http://codeforpeople.com/
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