From mboxrd@z Thu Jan  1 00:00:00 1970
From: chet.ramey@case.edu (Chet Ramey)
Date: Thu, 9 Nov 2017 16:39:25 -0500
Subject: [TUHS] redirection wildness in v7
In-Reply-To: <alpine.BSF.2.21.1711100835060.4766@aneurin.horsfall.org>
References: <3c417dcc-d3b4-0128-737a-7e510c6d0ffc@gmail.com>
 <be03f8a4-811b-3480-d96e-87ad2ae2bf53@case.edu>
 <alpine.BSF.2.21.1711100835060.4766@aneurin.horsfall.org>
Message-ID: <c9b371ef-3018-1f1e-baa3-318796b06b5f@case.edu>

On 11/9/17 4:36 PM, Dave Horsfall wrote:
> On Thu, 9 Nov 2017, Chet Ramey wrote:
> 
>>> $ <word | sed 20q
>>
>> A null command consisting of only a redirection (effectively a no-op).
> 
> With the side-effect of opening "word" (which could be a device).

Quite true. The redirection is the only thing that happens.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet at case.edu    http://cnswww.cns.cwru.edu/~chet/