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Re: O_DIRECT "packet mode" pipes on Linux

From: Lawrence Velázquez
Subject: Re: O_DIRECT "packet mode" pipes on Linux
Date: Wed, 23 Sep 2020 23:53:10 -0400

> 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.


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