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Date:      Wed, 19 Mar 2003 19:33:06 +0200
From:      "Nikolay Y. Orlyuk" <nikolay@asu.ntu-kpi.kiev.ua>
To:        freebsd-questions@freebsd.org
Subject:   Re: can't pipe to  /dev/null ?
Message-ID:  <20030319173306.GB99728@asu.ntu-kpi.kiev.ua>
In-Reply-To: <5.2.0.9.0.20030319111153.02415060@mail.go2france.com>
References:  <5.2.0.9.0.20030319111153.02415060@mail.go2france.com>

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On Wed, Mar 19, 2003 at 11:20:35AM -0600, Len Conrad wrote:
> in /etc/aliases:
> 
> devnull:  |/dev/null
> 
> and:
> 
> # ll /dev/null
> crw-rw-rw-  1 root  wheel    2,   2 Mar 19 11:13 /dev/null
> 
> but:
> 
> Mar 19 10:55:08 img10 postfix/local[41744]: 671235621: 
> to=<devnull@img10.xxx.net>, relay=local, delay=1, status=bounced (Command 
> died with status 1: "/dev/null")
> 
> ... is fixed with:
> 
> devnull:  |cat>/dev/null
> 
> .... which gives:
> 
> Mar 19 11:13:51 img10 postfix/local[43231]: E5C4A5623: 
> to=<devnull@img10.xxx.net>, relay=local, delay=0, status=sent (delivered to 
> command: cat)
> 
> Mar 19 11:13:51 img10 postfix/local[43231]: E5C4A5623: 
> to=<devnull@img10.xxx.net>, relay=local, delay=0, status=sent (delivered to 
> file: /dev/null)
> 
> Piping into /dev/null has worked in the past, wondering why the cat command 
> has become necessary?
Maybe because is match piping to program not file?
I think variant with cat is better, if you want without it
better will be
devnull: /dev/null
> 
> 

-- 
With best wishes Nikolay
mail: nikolay@asu.ntu-kpi.kiev.ua


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