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
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(a)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(a)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 >> $anse_gzip
>
> I think gzip can do what zip can do in linux .
>
> If I just do
> gzip -c testfile >> test_gzip.tar.gz
>
> It can create the test_gzip.tar.gz file But can't include any file .
>
>
>
> --
> ----------------------------------------------------------------
> 嘉谟之行
> "昔我往矣,杨柳依依 ; 今我来思 ,雨雪霏霏"
> ----------------------------------------------------------------
> --
> users mailing list
> users(a)lists.fedoraproject.org
> To unsubscribe or change subscription options:
>
https://admin.fedoraproject.org/mailman/listinfo/users
> Guidelines:
http://fedoraproject.org/wiki/Mailing_list_guidelines
--
J. E. Aneiros
GNU/Linux User #190716 en
http://counter.li.org
perl -e '$_=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
--
users mailing list
users(a)lists.fedoraproject.org
To unsubscribe or change subscription options:
https://admin.fedoraproject.org/mailman/listinfo/users
Guidelines:
http://fedoraproject.org/wiki/Mailing_list_guidelines
--
----------------------------------------------------------------
嘉谟之行
"昔我往矣,杨柳依依 ; 今我来思 ,雨雪霏霏"
----------------------------------------------------------------