Date: Tue, 23 Aug 2016 14:27:46 +0200 From: Gerhard Schmidt <estartu@ze.tum.de> To: Gary Palmer <gpalmer@freebsd.org> Cc: Daniel Braniss <danny@cs.huji.ac.il>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Problems with piped tar Message-ID: <fcae3053-b1c1-98c3-106b-e003f0a30034@ze.tum.de> In-Reply-To: <20160823113155.GB56297@in-addr.com> References: <96b7f57f-74ac-9445-1d04-61327ab111dc@ze.tum.de> <E0606B64-AF3A-4FB9-BCF8-9F7C7AE85FE7@cs.huji.ac.il> <6a841a00-6765-f1a2-02c3-9ce87ec595e8@ze.tum.de> <20160823113155.GB56297@in-addr.com>
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Am 23.08.2016 um 13:31 schrieb Gary Palmer: > On Tue, Aug 23, 2016 at 09:35:12AM +0200, Gerhard Schmidt wrote: >> Am 23.08.2016 um 09:18 schrieb Daniel Braniss: >>> >>>> On 23 Aug 2016, at 10:06, Gerhard Schmidt <estartu@ze.tum.de> wrote: >>>> >>>> Hi, >>>> >>>> i'm quite often use tar to copy files using >>>> >>>> tar cf - /some/dir | (cd /dest/dir; tar xvvf - ) >>> the ???new??? way: >>> tar cf - /some/dir | tar xvvd - -C /dest/dir >>> which of course does not explain way your version hangs, but this one is cleaner, and btw, don???t >>> include /. >> >> that's very strange. It's working, but doesn't solve another related >> problem. When i pipe the tar thru nc a have the same problem as my >> version. And it's no difference if there is a tar c an the receiving end >> of nc or just a '> file.tar' > > Is the sending side using nc -N ? If not, the sending socket is not being > shut down. Is that something new? Because it worked on freebsd9 without the -N option. The problem seams to be that tar c doesn't terminate after the last File is send. I think it send the EOF (because nc -N terminates and therefor terminates the pipe) but the tar process doesn't terminate. Estartu -- ------------------------------------------------- Gerhard Schmidt | E-Mail: schmidt@ze.tum.de TU-München | Jabber: estartu@ze.tum.de WWW & Online Services | Tel: 089/289-25270 | Fax: 089/289-25257 | PGP-Publickey auf Anfrage
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