Sponsored Content
Top Forums Shell Programming and Scripting Check if file compressed or not Post 302088592 by badg3r on Wednesday 13th of September 2006 11:32:41 AM
Old 09-13-2006
Check if file compressed or not

Is there a way I can check if a file is comppressed or not? (Be it tar/gzip or compress). trying to write a generic housekeeping scrit that will delete files over 6 months old and compress any uncompressed files if less than 6 months old. But not sure if there is a clever way to check except for parsing filename to see if it has .tar/.gz or .Z.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Import data from compressed file

HI I need to import data from a file which is in comressed format but system doesn't have enough space to uncompress file Is there any way so that i can do import from compressed file. (4 Replies)
Discussion started by: ap_gore79
4 Replies

2. UNIX for Dummies Questions & Answers

renaming a compressed file to filename without .Z

In a shell script I would like to use a compressed file name, i.e. with suffix of .Z, as a file input $1. After the file in uncompressed, I would like to use the file name without the .Z . How do I do this? Thank you. (8 Replies)
Discussion started by: bruceps
8 Replies

3. UNIX for Advanced & Expert Users

Is it possible to see the content of the compressed file?

How we can view the content of the file,if it compressed (or) Zipped ,without uncompress ? I have one file ,i compressed it,without uncompressing the file.Is it possible to see the content of the file? (2 Replies)
Discussion started by: bobprabhu
2 Replies

4. Shell Programming and Scripting

check to see if a file is compressed before trying to compress

I simply need to compress all files in a directory that are not already compressed and that are older than 10 days? I have this so far. I need to add to this so I don't try and compress file that are already compressed. Or if you think this can be simplified let me know. Thx. find... (3 Replies)
Discussion started by: rstone
3 Replies

5. UNIX for Dummies Questions & Answers

compressed file

I compressed a file by using gzip command gzip <<xx>> filename changed to xx.gz How to view this xx.gz file. Any idea. Thanks in advance. (7 Replies)
Discussion started by: venkatesht
7 Replies

6. Shell Programming and Scripting

Unix Commands to check a file is compressed or not?

Hi, I need to find out whether a file is compressed or not and based on that i need to compress that file and move it to archive folder. say for e.g: If file is compressed then just move to archive folder else compress and move end if i have implemented a... (2 Replies)
Discussion started by: kk17
2 Replies

7. Shell Programming and Scripting

Process a compressed file

Hi i have a filename.tar.bz2 and i have to parse it with a tool that doesn't support compressed files. I have to do it for many big files, so i can't decompress and then process. I'd like to do something like: tar -jxvf namefile.tar.bz2 | parsing_tool i mean analyze it directly,... (4 Replies)
Discussion started by: Dedalus
4 Replies

8. Shell Programming and Scripting

compressed file

i have a file 4d7a94d0.bbb.1292 when i do file 4d7a94d0.bbb.1292 the ouput is below 4d7a94d0.bbb.1292: gzip compressed data - deflate method and i run this command gunzip -c 4d7a94d0.bbb.1292 | awk '{gsub("\"","")}/I_ACCOUNT_ID/{print $2}' RS=":|;" FS="," i get... (3 Replies)
Discussion started by: blackzinga80
3 Replies

9. Shell Programming and Scripting

Get Compressed byte offset from .gz file

Hi , I have a .gz file whose contents look like below. data1^filename1 data2^filename2. .. . . Is it possible to find out the byte offset of each record from the .gz file. Like in an uncompressed file. grep -nb "Filename" give the byte offset of the record in this case. ... (4 Replies)
Discussion started by: chetan.c
4 Replies

10. UNIX for Dummies Questions & Answers

Size of compressed file

Hi All, Is there is any way to find the size of compressed file without doing decompression. The size should give the original uncompressed data size Thanks Arun (3 Replies)
Discussion started by: arunkumar_mca
3 Replies
virt-tar-out(1) 					      Virtualization Support						   virt-tar-out(1)

NAME
virt-tar-out - Pack a virtual machine disk image directory into a tarball. SYNOPSIS
virt-tar-out -a disk.img /dir files.tar virt-tar-out -d domain /dir files.tar virt-tar-out -d domain /dir - | gzip --best > files.tar.gz DESCRIPTION
"virt-tar-out" packs a virtual machine disk image directory into a tarball. The first parameter is the absolute path of the virtual machine directory. The second parameter is the tar file to write. Use "-" to write to standard output. EXAMPLES
Download the home directories from a guest: virt-tar-out -d MyGuest /home - | gzip --best > homes.tar.gz JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH
This command is just a simple shell script wrapper around the guestfish(1) "tar-out" command. For anything more complex than a trivial copy, you are probably better off using guestfish directly. OPTIONS
Since the shell script just passes options straight to guestfish, read guestfish(1) to see the full list of options. SEE ALSO
guestfish(1), virt-cat(1), virt-copy-in(1), virt-copy-out(1), virt-edit(1), virt-tar-in(1), <http://libguestfs.org/>. AUTHORS
Richard W.M. Jones ("rjones at redhat dot com") COPYRIGHT
Copyright (C) 2011 Red Hat Inc. <http://libguestfs.org/> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. libguestfs-1.18.1 2013-12-07 virt-tar-out(1)
All times are GMT -4. The time now is 06:44 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy