zip /gzip in bash

[j.e.aneiros]

2011/8/31 xinyou yan <yxy.716 at gmail.com>

> HI：
>
> How can i use use gzip to compress and tar to append the other file:
>
> here is is a testcase :
>
>
> file :test1 test2
>
> :~/testtar # tar -czf  1.tar.gz test1
> :~/testtar # tar -rzf 1.tar.gz test2
>

Could you use tar czf 1.tar.gz test1 test2 ?


> tar: Cannot update compressed archives
> Try `tar --help' or `tar --usage' for more information.
>
> However tar -cf
>             tar -rf  can work fine.
>
> I am thinking find a way useing gzip to compress and tar    then and
> need to append any time .
>
> Thank you
>
>
>
> 2011/8/31 j.e.aneiros <jesus.aneiros at gmail.com>:
> > Hi,
> > gzip is a compressor, not an archiver as tar. zip is an archiver and
> > compressor. So maybe you could use tar with the z option to compress?
> >
> > Best regards, --janeiros.
> > On Tue, Aug 30, 2011 at 12:57 PM, xinyou yan <yxy.716 at gmail.com> wrote:
> >>
> >> Hi every one ,
> >>
> >>   I was confuse to use gzip in shell.
> >>   You see below.  I can use zip -gj  make test.tar include the
> >> testfile  and the test1file
> >>   However  , use gzip  make the test_gzip.tar.gz NULL.
> >>   I see man and use gzip -c file >> tarname.  to add a file to a tar
> file
> >> .
> >>   Can anyone tell me why?
> >>   You can let  /root have two sample file  testfile test1file
> >>
> >>
> >> #!/bin/sh
> >>
> >> anse='/root/test.tar'
> >> anse_gzip='/root/test_gzip.tar.gz'
> >> test='/usr/local/sbin/testfile'
> >> test1='/usr/local/sbin/test1file'
> >>
> >> zip -gj $anse $test
> >> zip -gj $anse $test1
> >>
> >> gzip -c $test >> $anse_gzip
> >> gzip -c $test1 >> $anse_gzip
> >>
> >> I think gzip can do what zip can do in linux .
> >>
> >> If I just  do
> >> gzip -c testfile >> test_gzip.tar.gz
> >>
> >> It can create the test_gzip.tar.gz file But can't include any file .
> >>
> >>
> >>
> >> --
> >> ----------------------------------------------------------------
> >> 嘉谟之行
> >> "昔我往矣，杨柳依依 ； 今我来思 ，雨雪霏霏"
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> >
> >
> > --
> > J. E. Aneiros
> > GNU/Linux User #190716 en http://counter.li.org
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>
> --
> ----------------------------------------------------------------
> 嘉谟之行
> "昔我往矣，杨柳依依 ； 今我来思 ，雨雪霏霏"
> ----------------------------------------------------------------
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-- 
J. E. Aneiros
GNU/Linux User #190716 en http://counter.li.org
perl -e '$_=pack(c5,0105,0107,0123,0132,(1<<3)+2);y[A-Z][N-ZA-M];print;'
PK fingerprint: 5179 917E 5B34 F073 E11A  AFB3 4CB3 5301 4A80 F674
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