Re: zip /gzip in bash

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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@xxxxxxxxx> 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 .



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--
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