Re: bin/52687: can't suppress warnings from /bin/sh

[Robert Elz <kre%munnari.OZ.AU@localhost>]

The following reply was made to PR bin/52687; it has been noted by GNATS.

From: Robert Elz <kre%munnari.OZ.AU@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: bin/52687: can't suppress warnings from /bin/sh
Date: Wed, 01 Nov 2017 20:48:07 +0700

     Date:        Wed,  1 Nov 2017 13:05:01 +0000 (UTC)
     From:        christos%zoulas.com@localhost (Christos Zoulas)
     Message-ID:  <20171101130501.21C1C7A212%mollari.NetBSD.org@localhost>
 
   |  This is by design; 
   |  
   |      nonexistent 2> /dev/null
   |  
   |  Means redirect file descriptor 2 of the child process.
 
 That may be, but the NetBSD sh is about the only one (well, is the only one
 I can find) that behaves this way.
 
 I am not sure that being different, just for the sake of it, is really
 a good idea.
 
 And with ...
 
   |      $ exec 3>&2 2> /dev/null
   |      nonexistent
   |      exec 2>&3
 
 You'd also want (probably) 3>&- at the end of that last line.
 
 kre