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Re: eshell pipelines

From: David Hansen
Subject: Re: eshell pipelines
Date: Wed, 13 Aug 2008 23:01:32 +0200
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.60 (gnu/linux)

On Wed, 13 Aug 2008 12:09:07 -0400 Glenn Morris wrote:

> David Hansen wrote:
>> [For emacs-devel: 
>> In gnu.emacs.help there is a discussion about some little eshell,
>> eshell/ls bug. 
> http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=699
> (now on three separate mailing lists...)

I find gmane.emacs.bug incredible "hard" to read.  Threads seem to
randomly stop and start again (w/o gnus finding the parents) and purely
administrative messages pop up every now and then.

Back to the topic:  not giving the pipelined processes a TTY will
prevent similar problems w/ non eshell builtins.  And in most cases it
should be faster as well, e.g. GNU libc uses line buffering on a TTY.

But probably we should first find a way to disable this for the last
command in the pipeline.  This is already done in
`eshell-do-pipelines-synchronously' (do we really need compat code for
Emacsen w/o `start-process'?).  I'll try to figure out how to do it


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