From: Luis Lavena <luislavena@...>
Date: 2008-02-20T10:14:58+09:00
Subject: Re: Strange Windows warning with IO.popen: The process tried to write 	to a nonexistent pipe

On Feb 19, 8:02 pm, Daniel Berger <djber...@gmail.com> wrote:
> Hi all,
>
> Ruby 1.8.6
> Windows XP Pro
>
> I tried this standalone snippet:
>
> io = IO.popen('date /t')
>
> Running that with -w I get this warning:
>
> The process tried to write to a nonexistent pipe
>

I got the same without the -w option.

This is related to the redirection of stdio and stdout and the
premature termination of them (in the child process spawn by ruby).

If you add a Kernel.gets() or anything that delays the script
termiantion you wouldn't get the warning.

HTH,
--
Luis Lavena