Newer tar apps are compression aware, can call gunzip, gzip, bzip2, bunzip2. The gzip family is happy with stdin/stdout, which makes file names/extensions moot. I have also used cpio, which takes a stream of file names and makes an archive in output mode. You can move a tree of files with no tar file across the network with:
The compression speeds the network passage and encryption, using up to 7 CPUs in pipeline parallel. Low latency, too. I sometimes use compress for less delay or bzip2 for more compression.
Last edited by DGPickett; 02-01-2013 at 05:28 PM..
Hi,
There are 700 .pdf files in a certain directory on the server and I need to TAR them first and then compress them using GZIP to free up the space. The combined size of the .pdf files is 3gb. However, there is only 1gb of free space on the server. So as you can see when I try to TAR these... (3 Replies)
P0251WLADC.svm_wl1 > /svm_wl1/billing/data/server/archive/ALLEVT
$ du -k FEB2006
22050224 FEB2006
As you can see,i have a folder called "FEB2006" which is around 22 GB.
i guess zip or compress wont work...( i don know how do we compress a folder)
i wished to use ""tar" ( i suppose... (5 Replies)
Hi,
I would like to have a combined gzip and tar that will compress and create multiple output tar.gz files. I want to have multiple files output because i cannot create an archive because there is no more space on my harddisk. I cannot transfer it locally because of slow connection. I want to... (3 Replies)
Hi All
I need guidance on this requirement .
We have a directory structure which has data of approx 100 GB
We need to tar the structure then zip it and create different files of not more than 10 GB
A separate tar file then a .gz should not be created , on the fly a script is needed... (7 Replies)
Hi all,
4 files are returned when i issue 'find . -mtime -1 -type f -ls'.
./ora_475244.aud
./ora_671958.aud
./ora_934052.aud
./ora_934050.aud
However, when I issued the below command:
tar -cvf test.tar `find . -mtime -1 -type f`, the tar file only contains the 1st file -... (2 Replies)
How to search for all files with matching strings -->
find + tar + gzip + uunecode/email them in one command?
I am sure there is a right way to pass list of files to tar, then compress tar file. Then send that as attachment using uuencode in one command.. Can we do that!? (3 Replies)
Hi Guys,
I am using RHEL5 and Solaris 9 & 10.
I want to tar and gzip my files then remove them after a successful tar command...
Lets say I have files with extension .arc then I want to tar and gzip these files.
After successful tar command I want to remove all these files (i.e .arc).
... (3 Replies)
Hi,
I need to combined in 1 line the execution below :
find * -type f -mtime -$nb_days -print | xargs tar -cvf $MAITUT/BCK_DATA.tar
gzip $MAITUT/BCK_DATA.tar.gz
The fact that the TAR is very big, at the end I need to generate only the GZ file.
The option z on the tar... (2 Replies)
Hello,
I will like to execute a find, tar & gzip in one command.
find * -type f -mtime -$nb_days -print | xargs tar -cvf $MAITUT/BCK_DATA.tar
gzip $MAITUT/BCK_DATA.tar.gz
The fact that the TAR is very big, at the end I need to generate only a compress file.
Please note... (22 Replies)
Discussion started by: royinfo.alain
22 Replies
LEARN ABOUT NETBSD
zcat
GZIP(1) BSD General Commands Manual GZIP(1)NAME
gzip -- compression/decompression tool using Lempel-Ziv coding (LZ77)
SYNOPSIS
gzip [-cdfhlNnqrtVv] [-S suffix] file [file [...]]
gunzip [-cfhNqrtVv] [-S suffix] file [file [...]]
zcat [-fhV] file [file [...]]
DESCRIPTION
The gzip program compresses and decompresses files using Lempel-Ziv coding (LZ77). If no files are specified, gzip will compress from stan-
dard input, or decompress to standard output. When in compression mode, each file will be replaced with another file with the suffix, set by
the -S suffix option, added, if possible. In decompression mode, each file will be checked for existence, as will the file with the suffix
added.
If invoked as gunzip then the -d option is enabled. If invoked as zcat or gzcat then both the -c and -d options are enabled.
This version of gzip is also capable of decompressing files compressed using compress(1) or bzip2(1).
OPTIONS
The following options are available:
-1, --fast
-2
-3
-4
-5
-6
-7
-8
-9, --best These options change the compression level used, with the -1 option being the fastest, with less compression, and the -9
option being the slowest, with optimal compression. The default compression level is 6.
-c, --stdout, --to-stdout
This option specifies that output will go to the standard output stream, leaving files intact.
-d, --decompress, --uncompress
This option selects decompression rather than compression.
-f, --force This option turns on force mode. This allows files with multiple links, overwriting of pre-existing files, reading from or
writing to a terminal, and when combined with the -c option, allowing non-compressed data to pass through unchanged.
-h, --help This option prints a usage summary and exits.
-l, --list This option displays information about the file's compressed and uncompressed size, ratio, uncompressed name. With the -v
option, it also displays the compression method, CRC, date and time embedded in the file.
-N, --name This option causes the stored filename in the input file to be used as the output file.
-n, --no-name This option stops the filename and timestamp from being stored in the output file.
-q, --quiet With this option, no warnings or errors are printed.
-r, --recursive This option is used to gzip the files in a directory tree individually, using the fts(3) library.
-S suffix, --suffix suffix
This option changes the default suffix from .gz to suffix.
-t, --test This option will test compressed files for integrity.
-V, --version This option prints the version of the gzip program.
-v, --verbose This option turns on verbose mode, which prints the compression ratio for each file compressed.
ENVIRONMENT
If the environment variable GZIP is set, it is parsed as a white-space separated list of options handled before any options on the command
line. Options on the command line will override anything in GZIP.
SEE ALSO bzip2(1), compress(1), xz(1), fts(3), zlib(3)HISTORY
The gzip program was originally written by Jean-loup Gailly, licensed under the GNU Public Licence. Matthew R. Green wrote a simple front
end for NetBSD 1.3 distribution media, based on the freely re-distributable zlib library. It was enhanced to be mostly feature-compatible
with the original GNU gzip program for NetBSD 2.0.
This manual documents NetBSD gzip version 20040427.
AUTHORS
This implementation of gzip was written by Matthew R. Green <mrg@eterna.com.au>.
BSD June 18, 2011 BSD