Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Wget download file ( do not overwrite )
Top Forums Shell Programming and Scripting Wget download file ( do not overwrite ) Post 302879797 by stefki on Sunday 15th of December 2013 11:30:52 AM
Old 12-15-2013
Wrench Wget download file ( do not overwrite )
Hello all,

I want to write auto update script for my embedded device, which can check and download newer version of my program and extract the files on the device.
The download center is hosted on remote web server .

Script checks the hosted file on web site and if the new version is there then download it to the embedded device and extract the files in the dirs. But if the test.tar.gz is already downloaded and the files are already extracted then do nothing.

The embedded device runs Linux.

Example, this script actually does the work, but It replace the files all the time. I don't want to overwrite the files.

Code:
#!/bin/sh
wget http:xxx.myftp.org:2322/add/test.tar.gz
tar -zxvf test.tar.gz -C /
rm test.tar.gz

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Script to download file using wget

Hi I need a Shell script that will download a text file every second from a http server using wget. Can anyone provide me any pointers or sample scripts that will help me go about this task ??? regards techie (1 Reply)
Discussion started by: techie82
1 Replies

2. UNIX for Dummies Questions & Answers

Using wget to download a file

Hello Everyone, I'm trying to use wget recursively to download a file. Only html files are being downloaded, instead of the target file. I'm trying this for the first time, here's what I've tried: wget -r -O jdk.bin... (4 Replies)
Discussion started by: thoughts
4 Replies

3. Shell Programming and Scripting

download a particular file using wget

Hi All I want to download srs8.3.0.1.standard.linux24_EM64T.tar.gz file from the following website : http://downloads.biowisdomsrs.com/srs83_dist/ But this website contains lots of zipped files I want to download the above file only discarding other zipped files. When I am trying the... (1 Reply)
Discussion started by: alphasahoo
1 Replies

4. UNIX and Linux Applications

download file using wget

I need to download the following srs8.3.0.1.standard.linux26_32.tar.gz file from the following website: http://downloads.biowisdomsrs.com/srs83_dist There are many gzip files along with the above one in the above site but I want to download the srs8.3.0.1.standard.linux26_32.tar.gz only from... (1 Reply)
Discussion started by: alphasahoo
1 Replies

5. Shell Programming and Scripting

How to download to a file using wget in perl?

Hi, I want to download some online data using wget command and write the contents to a file. For example this is the URL i want to download and store it in a file called "results.txt". #This is the URL. $url="http://www.example.com"; #retrieve data and store in a file results.txt ... (3 Replies)
Discussion started by: vanitham
3 Replies

6. Shell Programming and Scripting

Wget, download file from site's folder.

Ok, this is quite weird. wget -r mysite.com/mylink/ should get all the files recursively from the 'mylink' folder. The problem is that wget saves an index.html file! When I open this index.html with my browser I realize that it shows all the files in the current folder (plus an option to move... (3 Replies)
Discussion started by: hakermania
3 Replies

7. Ubuntu

wget don't download complete file

I am using ubuntu 10.04 LTS I tried to download the file using wget , the file size is 105.00 MB, but wget downloads only around 44K. may be I am using wget in wrong way, any suggestions please? Below is the command I used and the response from system. wget --tries=10 -nd -nH --use=user... (10 Replies)
Discussion started by: LinuxLearner
10 Replies

8. Shell Programming and Scripting

How to download file without curl and wget

Hi I need a Shell script that will download a zip file every second from a http server but i can't use neither curl nor wget. Can anyone will help me go about this task ??? Thanks!! (1 Reply)
Discussion started by: rubber08
1 Replies

9. Shell Programming and Scripting

[Solved] Wget command to download file

Hi I am trying to download the file using wget command. But The password was created as pwd$$ for the user xyz. When i give the command as below it is not downloading the file. Will the password has $$ causing this issue. wget... (0 Replies)
Discussion started by: ksmbabu
0 Replies

10. Shell Programming and Scripting

Wget download file content in unicode

Hi All, I am trying to download a XML from a URL through wget and successful in that but the problem is that I have to check for some special characters inside that XML. But when I download through wget it transfers the content of the XML in plain text and I'm not able to search for those... (2 Replies)
Discussion started by: dips_ag
2 Replies

LEARN ABOUT CENTOS

virt-tar-out

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) 2011-2012 Red Hat Inc.

LICENSE

       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.

BUGS

       To get a list of bugs against libguestfs, use this link:
       https://bugzilla.redhat.com/buglist.cgi?component=libguestfs&product=Virtualization+Tools

       To report a new bug against libguestfs, use this link:
       https://bugzilla.redhat.com/enter_bug.cgi?component=libguestfs&product=Virtualization+Tools

       When reporting a bug, please supply:

       o   The version of libguestfs.

       o   Where you got libguestfs (eg. which Linux distro, compiled from source, etc)

       o   Describe the bug accurately and give a way to reproduce it.

       o   Run libguestfs-test-tool(1) and paste the complete, unedited output into the bug report.

libguestfs-1.22.6						    2013-08-24							   virt-tar-out(1)
All times are GMT -4. The time now is 07:23 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy