From: "Mauricio Fernández" <batsman.geo@...>
Date: 2003-02-16T03:04:13+09:00
Subject: Re: Capturing output from Kernel#system

On Sun, Feb 16, 2003 at 02:55:01AM +0900, Tim Kynerd wrote:
> Maybe I'm dumb, I dunno.
> 
> I need to execute an external command and capture the output from it in a
> Ruby structure.
> 
> When I use the Kernel#system method to do this, I get the output just
> fine, but I can't figure out how to capture it. The method returns true,
> of course, but obviously true isn't what I want to capture!
> 
> I'd like to avoid the obvious kludge of writing the command output to a
> file and reading the file in Ruby. Isn't there a better way than that? The
> pickaxe book isn't helping me here at all (maybe I didn't look where I
> should have...).

>> output = `uptime`
=> " 19:05:58 up 29 days,  9:51,  1 user,  load average: 0.01, 0.04, 0.03\n"
>> p output
" 19:05:58 up 29 days,  9:51,  1 user,  load average: 0.01, 0.04, 0.03\n"
=> nil

-- 
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