stdout and stderr are getting mixed up?

[Heinz Junkes]

If I run the test program provided by you

like this

./test
there is no mix up in the output.

./test 2>&1
no mix up in the output

./test 2>&1 | more
no mix up in the output

./test 2>&1 | grep ab
output is mixed up.



> On 04 Jul 2017, at 07:01, Sebastian Huber <sebastian.huber at embedded-brains.de> wrote:
> 
> I get the mixed output also on FreeBSD.
> 
> -- 
> Sebastian Huber, embedded brains GmbH
> 
> Address : Dornierstr. 4, D-82178 Puchheim, Germany
> Phone   : +49 89 189 47 41-16
> Fax     : +49 89 189 47 41-09
> E-Mail  : sebastian.huber at embedded-brains.de
> PGP     : Public key available on request.
> 
> Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.
> 

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