Mailing-List: contact cygwin-help AT sourceware DOT cygnus DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT sourceware DOT cygnus DOT com Delivered-To: mailing list cygwin AT sourceware DOT cygnus DOT com Message-ID: <007e01bfe634$7df5eca0$3c5350d8@guinness> From: "Matthew Smith" To: References: <20000704222731 DOT 10345 DOT qmail AT hotmail DOT com> <396266A3 DOT F2A18E80 AT cygnus DOT com> <20000705001223 DOT 49031 DOT qmail AT hotmail DOT com> <20000704212147 DOT C3314 AT cygnus DOT com> <003401bfe631$74912b00$3c5350d8 AT guinness> <20000704233907 DOT C3973 AT cygnus DOT com> Subject: Re: Tar.exe doing nothing Date: Tue, 4 Jul 2000 22:52:50 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6700 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6700 There's no need to be obnoxious about it. I was just pointing out a method that works on more than just cygwin. Chill. -Matt > On Tue, Jul 04, 2000 at 10:31:06PM -0500, Matthew Smith wrote: > >gunzip < filename.tar.gz | tar xvf - > > > >That will work with most any version of tar. > > Of course, we're talking about Cygwin, which uses GNU tar, and GNU > tar will happily use the option that I mentioned. > > If you want to do more typing, this mechanism works great, too. > > Or, if you want to vary this slightly and confuse the issue a little more, > you can also do: > > zcat filename.tar.gz | tar xvf - > gzip -c -d filename.tar.gz | tar xvf - > /bin/gunzip -c < ./filename.tar.gz | /bin/tar -x -v -f - -C . > > If you are looking to do the maximum amount of typing then the last option > is obviously the best. > > cgf > > >> On Wed, Jul 05, 2000 at 02:12:33AM +0200, Jonas Jensen wrote: > >> >Well, silly me :-) > >> > > >> >Now, 2 more questions about that: > >> > > >> >-What the hell is the purpuse of that feature? > >> > >> Tar used to be commonly used with a tape device. If you don't use the > >> -f option it defaults to an arbitrary device for extraction. I assume > >> that cygwin defaults to standard input. > >> > >> In case it isn't obvious to you, the Cygwin project did not invent the > >> tar program. This tar behavior is far from new. The tar program has > >> been a standard part of UNIX for a long long time. Cygwin is a UNIX > >> emulation environment, so... > >> > >> >-Is there an easy program to unzip the contents of a .tar.gz file > >> >without first using gzip.exe and then tar.exe? Or a good way to set up > >> >an alias/script to do this? > >> > >> I sounds like you still aren't reading the "tar --help" output very > >> closely. > >> > >> The '-z' option automatically uncompresses an archive before extraction > >> or creation: > >> > >> tar -xzf somefile.tar.gz > > -- > Want to unsubscribe from this list? > Send a message to cygwin-unsubscribe AT sourceware DOT cygnus DOT com > > -- Want to unsubscribe from this list? Send a message to cygwin-unsubscribe AT sourceware DOT cygnus DOT com