Re: bash sockets: printf \x0a does TCP fragmentation

From	Chet Ramey <chet.ramey@case.edu>
Newsgroups	gnu.bash.bug
Subject	Re: bash sockets: printf \x0a does TCP fragmentation
Date	2018-09-22 16:39 -0400
Organization	ITS, Case Western Reserve University
Message-ID	<mailman.1143.1537663540.1284.bug-bash@gnu.org> (permalink)
References	<c6de6616-dda0-570d-de56-419e7676be8a@cbii-hh.de> <69b48113-bc58-e0c8-a551-03a7e72d88d4@case.edu> <1a70754f-4302-1c96-1ae3-5ab9bdbdf8c3@iki.fi>

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On 9/22/18 6:38 AM, Ilkka Virta wrote:
> On 22.9. 02:34, Chet Ramey wrote:
>> Newline? It's probably that stdout is line-buffered and the newline causes
>> a flush, which results in a write(2).
> 
> Mostly out of curiosity, what kind of buffering logic does Bash (or the
> builtin printf in particular) use? 

Bash sets stdout and stderr to line buffering. It's done this since the
early 1.x days.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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Re: bash sockets: printf \x0a does TCP fragmentation Chet Ramey <chet.ramey@case.edu> - 2018-09-22 16:39 -0400

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