From owner-freebsd-questions@freebsd.org Sat Mar 6 17:46:01 2021 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 93DF056D8FD for ; Sat, 6 Mar 2021 17:46:01 +0000 (UTC) (envelope-from kremels@kreme.com) Received: from mail.covisp.net (mail.covisp.net [65.121.55.42]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4DtBpx0X94z4ctn for ; Sat, 6 Mar 2021 17:46:00 +0000 (UTC) (envelope-from kremels@kreme.com) Content-Type: text/plain; charset=us-ascii Subject: Re: which is "better" - /dev/fd or FIFO From: "@lbutlr" In-Reply-To: <79db2b71-5758-431d-4654-fc3c42700c68@qeng-ho.org> Date: Sat, 6 Mar 2021 10:45:59 -0700 Content-Transfer-Encoding: quoted-printable Message-Id: References: <7CEBCD10-90CA-4194-823C-8F87659706BC@kreme.com> <79db2b71-5758-431d-4654-fc3c42700c68@qeng-ho.org> To: FreeBSD X-Mailer: Apple Mail (2.3654.80.0.2.41) X-Rspamd-Queue-Id: 4DtBpx0X94z4ctn X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of kremels@kreme.com designates 65.121.55.42 as permitted sender) smtp.mailfrom=kremels@kreme.com X-Spamd-Result: default: False [0.45 / 15.00]; ARC_NA(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[65.121.55.42:from]; NEURAL_HAM_MEDIUM(-1.00)[-0.996]; FROM_HAS_DN(0.00)[]; MISSING_MIME_VERSION(2.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; MIME_GOOD(-0.10)[text/plain]; R_SPF_ALLOW(-0.20)[+mx]; DMARC_NA(0.00)[kreme.com]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[65.121.55.42:from:127.0.2.255]; TO_DN_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_SPAM_SHORT(0.85)[0.846]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:209, ipnet:65.112.0.0/12, country:US]; MID_RHS_MATCH_FROM(0.00)[]; MAILMAN_DEST(0.00)[freebsd-questions]; RCVD_IN_DNSWL_LOW(-0.10)[65.121.55.42:from] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Mar 2021 17:46:01 -0000 On 06 Mar 2021, at 10:10, Arthur Chance wrote: > On 06/03/2021 16:57, tech-lists wrote: >> On Sat, Mar 06, 2021 at 09:37:49AM -0700, @lbutlr wrote: >>> On 06 Mar 2021, at 07:08, tech-lists wrote: >>>> Some ports, notably shells/bash, have a makeoptions config where = you can >>>> select "enable use of /dev/fd". But there's no explanation given = why >>>> this is advantageous or not, or if there's some kind of risk, in a >>>> freebsd context [1]. It's not enabled by default. Please can anyone >>>> explain? >>>=20 >>> Do you have a floppy drive? >>=20 >> no. I admit i'd not thought of floppy drive at all. In 2021, who = does? >=20 > Nope, /dev/fd isn't anything to do with floppy disks, that's /dev/fd0 = IIRC. Ah, could be. It's ben decades since I last used a floppy disk. 1995 or = 1996, IIRC. --=20 "Are you pondering what I'm pondering?" "I think so, Brain, but I am running for mayor of Donkeytown and Tuesdays are booked." =46rom an early Kids' WB intro.