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Subject:	Re: echo vs. ls race condition?
References:	<NGBBLLIAMFLGJEOAJCCEGEACDLAA DOT garbage_collector AT telia DOT com>
From:	ht AT inf DOT ed DOT ac DOT uk (Henry S. Thompson)
Date:	Tue, 25 May 2004 09:57:12 +0100
In-Reply-To:	<NGBBLLIAMFLGJEOAJCCEGEACDLAA.garbage_collector@telia.com> (Hannu E. K. Nevalainen's message of "Mon, 24 May 2004 22:27:02 +0200")
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"Hannu E K Nevalainen" <garbage_collector AT telia DOT com> writes:

>> From: Henry S. Thompson
>> Sent: Monday, May 24, 2004 6:32 PM
>
>> Fred Kulack <kulack AT we DOT bigblue DOT xxx> writes:
>>
>> >> Short summary:  a loop with echo and ls does not produce well-ordered
>> >> output
>> >

<snip/>

> FWIW; I can reproduce it. It seems to me that it is some kind of problem
> with bash's use of subshells in loops (synchronizing output). I have no
> knowledge of the internals here, so bear with me.

That sounds plausible, but I too am incompetent to delve much
deeper. . .  There's the old issue of process id re-use, perhaps?

Thanks for trying it, and simplifying.

ht
-- 
 Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
                     Half-time member of W3C Team
    2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
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                   URL: http://www.ltg.ed.ac.uk/~ht/
[mail really from me _always_ has this .sig -- mail without it is forged spam]

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