From: Stu <stu@...>
Date: 2011-05-13T04:54:52+09:00
Subject: Re: Shell pipeline in Ruby?

There is also popen4 which I believe also gives you the pid with std -
in/out/err

On Thu, May 12, 2011 at 2:41 PM, Michal Suchanek <hramrach@centrum.cz> wrote:
> On 12 May 2011 19:22, Jos Backus <jos@catnook.com> wrote:
>> Have you checked out Open3.pipeline?
>>
>
> I have checked all the stuff I could find once but did not find a solution.
>
> That's why I am asking, perhaps I overlooked something.
>
> While the pipeline gives the status of all the involved processes and
> connects them properly which is more than I ever got from Ruby it is
> not obvious how to capture the output  - the stdout of the last
> process can be captured with pipeline_r but the stderrs get sinked
> somewhere in the pipeline_run.
>
> Also the in and out options used in the example are not documented afaict.
>
> Thanks
>
> Michal
>
>