Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: Chet Ramey Newsgroups: gnu.bash.bug Subject: Re: bash sockets: printf \x0a does TCP fragmentation Date: Sun, 23 Sep 2018 15:15:46 -0400 Organization: ITS, Case Western Reserve University Lines: 15 Approved: bug-bash@gnu.org Message-ID: References: <20180921231101307758654@bob.proulx.com> <714e1ba0-0052-2f2b-676d-778f2b7129c1@testssl.sh> <20180922111950901701520@bob.proulx.com> <948d4864-8808-9ce4-cc1e-2cce68256897@case.edu> <20180923122957986978110@bob.proulx.com> <20180923124417248962592@bob.proulx.com> Reply-To: chet.ramey@case.edu NNTP-Posting-Host: lists.gnu.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Trace: usenet.stanford.edu 1537730978 21034 208.118.235.17 (23 Sep 2018 19:29:38 GMT) X-Complaints-To: action@cs.stanford.edu Cc: chet.ramey@case.edu To: bug-bash@gnu.org Envelope-to: bug-bash@gnu.org X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:cc:subject:to:references:from :organization:message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=bQdiuUUBs/dBSTJQTRB83P5aCsaehR7PneZotvczLf4=; b=Et18DBh5DlcZj3pUL7z9sYHMnTp9BnWCW8SQEKL636V6joAaFVB+IZ8lcbr/oLeKRC ZMhRzKRMclahxVNhBAhROkyvLlpqBN/DJ5nAVUOdV4amVbHcI1PMX6fSxROwzj0dTID8 /NhHysh19/oi1K3gll5Q/FqbIBSYDllAkOuwg8YhwJ4KnXPUef2FvxWcAfDfWf4ETCns aoLfh785ODa9bZCfju5/Js3Xk29O0HU2ze29EY33D/ltPoC+LVMCY/hPhqxUw3Z3h5T1 wvI9ZRB53ItvNC2HxiwVgPtrAVjNGX/QO24Pyhr5cbBpYchW1/LmvzUeksc15RoY9Ylr Xvbg== X-Gm-Message-State: ABuFfoiIdBh32y1imK0CNFchLg8l/LseORAMv6Yg/pq1vCg+/lQysOLI iEof/qZX4GxGJloqqsVJMX00hL6eyo0NXttH0AmazGKbxRCDKmInYCGY7uPWjz3sZ8wFiVbCNMO 8wsNCG+ARkGc= X-Received: by 2002:a6b:1e91:: with SMTP id e139-v6mr5741937ioe.246.1537730149000; Sun, 23 Sep 2018 12:15:49 -0700 (PDT) X-Google-Smtp-Source: ACcGV60HVfVGdS3fPO8eKQgscMVg334TQO38m/EhOEKXzlCSvamWYpkXMgyGjtLg9vXpvvz1zI4U4w== X-Received: by 2002:a6b:1e91:: with SMTP id e139-v6mr5741880ioe.246.1537730147851; Sun, 23 Sep 2018 12:15:47 -0700 (PDT) User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 In-Reply-To: <20180923124417248962592@bob.proulx.com> Content-Language: en-US X-Junkmail-Status: score=7/90, host=mpv3-2015.case.edu X-Junkmail-PrAS-Raw: score=7/90, refid=2.7.2:2018.9.23.184517:17:7.944, ip=, rules=__YOUTUBE_RCVD, __X_GOOGLE_DKIM_SIGNATURE, __HAS_REPLYTO, __HAS_CC_HDR, __SUBJ_REPLY, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __TO_MALFORMED_2, __TO_NO_NAME, __REFERENCES, __HAS_FROM, FROM_EDU_TLD, __HAS_MSGID, __SANE_MSGID, DATE_TZ_NA, __USER_AGENT, __MOZILLA_USER_AGENT, __MIME_VERSION, __IN_REP_TO, __CT, __CT_TEXT_PLAIN, __CTE, __REPLYTO_SAMEAS_FROM_ADDY, __REPLYTO_SAMEAS_FROM_ACC, __FROM_DOMAIN_IN_ANY_CC1, __FROM_DOMAIN_IN_ANY_CC2, __REPLYTO_SAMEAS_FROM_DOMAIN, __ANY_URI, __URI_WITH_PATH, __URI_NO_WWW, __CP_URI_IN_BODY, __SUBJ_ALPHA_NEGATE, __URI_IN_BODY, __URI_NOT_IMG, __FORWARDED_MSG, __NO_HTML_TAG_RAW, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_500_599, __MIME_TEXT_P1, __MIME_TEXT_ONLY, __URI_NS, HTML_00_01, HTML_00_10, BODY_SIZE_5000_LESS, IN_REP_TO, MSG_THREAD, __FROM_DOMAIN_IN_RCPT, MULTIPLE_REAL_RCPTS, LEGITIMATE_SIGNS, [TRUNCATED], so=2010-03-03 19:42:08, dmn=2016-08-03-0138 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 129.22.103.194 X-BeenThere: bug-bash@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Bug reports for the GNU Bourne Again SHell List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com gnu.bash.bug:14650 On 9/23/18 2:46 PM, Bob Proulx wrote: > Chet Ramey wrote: >> It's that bash sets stdout and stderr to be line-buffered, not anything >> printf-specific. > > Shouldn't bash set stdout buffering based upon the output descriptor > being a tty or not the same as other libc stdio behavior? It's been so long (25+ years) I forget why we did it. -- ``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/