[TUHS] redirection wildness in v7

[Chet Ramey]

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/