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[59.101.231.83]) by smtp.gmail.com with ESMTPSA id z3sm4813322pjd.25.2019.09.20.23.47.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 20 Sep 2019 23:47:48 -0700 (PDT) Subject: Re: multi-volume archives To: Victor Sudakov , freebsd-questions@freebsd.org References: <20190921063003.GA81956@admin.sibptus.ru> From: MJ Message-ID: <05ca327a-2b01-54fd-016a-ba84584095a7@gmail.com> Date: Sat, 21 Sep 2019 16:47:29 +1000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20190921063003.GA81956@admin.sibptus.ru> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 46b1P26FsQz4Byf X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=O9LOEyQX; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of mafsys1234@gmail.com designates 2607:f8b0:4864:20::62c as permitted sender) smtp.mailfrom=mafsys1234@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RECEIVED_SPAMHAUS_PBL(0.00)[83.231.101.59.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.10]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-questions@freebsd.org]; IP_SCORE_FREEMAIL(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[c.2.6.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(0.00)[ip: (-8.94), ipnet: 2607:f8b0::/32(-2.65), asn: 15169(-2.20), country: US(-0.05)]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Sep 2019 06:47:52 -0000 On 21/09/2019 4:30 pm, Victor Sudakov wrote: > Dear Colleagues, > > Which is now the most convenient way to create multi-volume archives? To > fit an archive on a FAT32 flash drive, a volume size should not exceed 4g. > > I have traditionally used "tar | split" to pack, then "cat | tar" to > unpack. But split is very slow, and generally this way is clumsy. > > I don't want to use "zip -s" either, because I think zip does not > preserve symlinks, hardlinks, permissions... to cut a long story short, > I don't believe in zip as a Unix archiver. > > Any more ideas? Hi Victor, If you don't like zip, what about 7zip? It has volumes which allow you to break it up on the fly into parts Whether this is overall faster than tar|split is unknown. Cheers Mark PS. I always use tar|split if that's the requirement. If it's slow, I go get a coffee... :-)