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From:	Krzysztof Duleba <krzysan AT skrzynka DOT pl>
Subject:	Re: man - broken pipe
Date:	Wed, 20 Jul 2005 10:33:10 +0200
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References:	<dbkuat$2h1$1 AT sea DOT gmane DOT org> <42DE0998 DOT DB8F6E09 AT dessent DOT net>
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Brian Dessent wrote:
> Krzysztof Duleba wrote:
> 
>>After some updates I get broken pipe messages when pressing 'q' to exit
>>from less. The man pages are printed correctly.
> 
> I think that is by design and not a bug.  When you are viewing the
> manpage, a pipeline of commands has been setup to decompress and format
> the manpage.  Because 'less' doesn't ask for more input until you page
> down, it means that those commands are all blocked waiting to consume
> their input and produce more output.  If you quit 'less' before reaching
> the end, the pipeline is broken and the commands all receive SIGPIPE. 
> It's normal and harmless. If you don't want to see the message you can
> hit 'end' or '>' before quitting less.  It doesn't happen with small
> manpages because they probably fit entirely in a single buffer.

I get this error on my laptop and only since I've updated most packages few 
days ago. I don't get this on Linux boxes and on Windows box with Cygwin 
updated the last month.

Hitting 'end' or '>' helps indeed. I wonder what makes the difference that 
now SIGPIPE is delivered and has visible effects.

Krzysztof Duleba


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