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Newsgroups: comp.unix.bsd Path: sserve!manuel!munnari.oz.au!spool.mu.edu!yale.edu!ira.uka.de!Germany.EU.net!rz.uni-hildesheim.de!agsc!rubikon.han.de!toad From: toad@rubikon.han.de (Peter Cleve) Subject: Re: backup w/ compression for UN*X? References: <1992Sep3.165702.3809@gateway.novell.com> <1992Sep4.085828.10853@ntuix.ntu.ac.sg> Organization: Rubikon Rethen BRD Date: Sun, 06 Sep 92 10:43:50 GMT Message-ID: <1992Sep06.104350.2659@rubikon.han.de> Lines: 28 In <1992Sep4.085828.10853@ntuix.ntu.ac.sg> eoahmad@ntuix.ntu.ac.sg (Othman Ahmad) writes: >: Doesn't gnutar support -z (LZW compression)? >Cannot do multi-volume, at least the 386bsd one. The reason is due to >the fact that it gnu tar just pipes it through compress, instead of >incorporating it before the multivolume archiving. > The trick is to call the compress before the archiving. >Any ideas? Something like this: (Not a ready to go script, but it shows the idea) YourFavoriteArchiver | YourFavoriteCompress | ( echo Insert Media > /dev/tty read dummy < /dev/tty dd of=YourFavoriteDevice bs=Foo count=YourFavoriteMediaSize ) Reading from the Media should be implemented easily too. By It would nice if someone put this in a ready to go script and post it here -- Peter Cleve, Hildesheimer Str. 316, 3014 Laatzen 3, Tel. 05102/1854 (Voice) Energiesparen ist das moralische Aequivalent zum Krieg. (Jimmy Carter)