From: Andrew Johnson <ajohnson@...>
Date: 2003-12-24T14:01:53+09:00
Subject: Re: redirect stdout for Kernel.system()?

On Tue, 16 Dec 2003 15:53:43 +0900, Neil Spring <nspring@cs.washington.edu>
wrote:
> I'd like to be able to say:
> 
>   $stdout=File.open("foo.out", "w")
>   Kernel.system("/bin/echo", "foo")

This gives the desired behavior with 1.8.1p3 and Linux:

    oldout = $stdout.dup

    $stdout.reopen("foo.out", "w")
    puts "fooble"
    Kernel.system("echo", "foo")

    $stdout.reopen(oldout)
    puts 'back to normal'
    Kernel.system("echo", "done")

regards,
andrew