Re: O_DIRECT "packet mode" pipes on Linux

[Lawrence Velázquez]

> On Sep 23, 2020, at 11:41 PM, Vito Caputo <vcaputo@pengaru.com> wrote:
> 
> On Wed, Sep 23, 2020 at 09:12:40AM -0400, Chet Ramey wrote:
>> On 9/22/20 11:23 PM, Vito Caputo wrote:
>>> Hello list,
>>> 
>>> Is there any chance we could get a | modifier for enabling O_DIRECT on the
>>> created pipe?  "Packet" style pipes have some interesting and potentially
>>> useful properties, it would be nice if bash made them more accessible.
>> 
>> Is there a general need, especially since they're Linux-specific?
>> 
> 
> I'm not sure, but as far as GNU/Linux distros go bash, is kind of the
> canonical shell, and this functionality is kind of inaccessible
> without the shell wiring it up.

What functionality? I (and I'm sure some others) am not familiar
with packet-style pipes and their benefits. You haven't actually
described *how* exposing them would be useful, and why that would
justify introducing new syntax that only matters/works on Linux.

vq