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Re: bash sockets: printf \x0a does TCP fragmentation


From: Chet Ramey
Subject: Re: bash sockets: printf \x0a does TCP fragmentation
Date: Sat, 22 Sep 2018 16:39:22 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

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    address@hidden    http://tiswww.cwru.edu/~chet/



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