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From: David Karr <davidmichaelkarr AT gmail DOT com>
Date: Wed, 5 Dec 2018 06:57:50 -0800
Message-ID: <CAA5t8Vq0y-TEioRa1krjZuMrYpEPz0zncpbArNsqpnGWWkHMrQ@mail.gmail.com>
Subject: Re: Redirecting stderr to stdout through pipe doesn't work the way it does in Linux
To: The Cygwin Mailing List <cygwin AT cygwin DOT com>
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On Tue, Dec 4, 2018 at 12:52 PM Marco Atzeri <marco DOT atzeri AT gmail DOT com> wrote:

> Am 04.12.2018 um 21:41 schrieb David Karr:
> > "CYGWIN_NT-6.1 WACDTL03DK068X 2.9.0(0.318/5/3)"
> >
> > I installed a version of "kubectl" for windows, and I use it extensively
> in
> > Cygwin bash for scripting command-line automation. In general, this works
> > perfectly fine. I even use the same scripting in a Linux VM.
> >
> > I'm seeing an issue with one script that works fine in the Linux VM, but
> > not in Cygwin.
> >
> > The command line is approximately this:
> >
> >       kubectl exec pod -c container -i -t -- grep "string"
> stuff.properties
> > 2>&1 | sed -e 's/^propname=//'
> >
> > In Linux, this works perfectly fine.  In Cygwin, it says "stdout is not a
> > tty".
> >
> > I haven't updated my local Cygwin installation for quite a while. I'd
> > prefer not to, unless there is a strong chance this kind of thing would
> be
> > fixed.
> >
>
> as kubectl is not a Cygwin program, it is not aware of cygwin pty.
> You can try to use winpty to overcome the problem.
>
> https://github.com/rprichard/winpty
>
>
>
>
Oh.  Senior moment.  I actually already knew that. In fact, I even have
another scripting element calling "exec" already using winpty.  Thanks for
the reminder.

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