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Top Forums Shell Programming and Scripting Help. noob needs help with file copy! Post 302215583 by wildside on Wednesday 16th of July 2008 07:36:26 PM
Old 07-16-2008
Help. noob needs help with file copy!

So I have a very simple question that has come to be a huge headache.

I need to copy files from FolderA into FolderB replacing all files that already exist in FolderB UNLESS the date of the file in FolderB is newer than the date from the same file in FolderA. In the case that file is newer in the destination, I need to skip copy of that file and move on.

I have tried so many different things and nothing has been able to do what I need.

I have tried a simple cp -i but i need to filter by date and choose "don't overwrite" if file being copied is older, but owverwite is file date is same.

there is a long story to go along with this as well.

Thanks in advance
 

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virt-copy-out(1)					      Virtualization Support						  virt-copy-out(1)

NAME
virt-copy-out - Copy files and directories out of a virtual machine disk image. SYNOPSIS
virt-copy-out -a disk.img /file|dir [/file|dir ...] localdir virt-copy-out -d domain /file|dir [/file|dir ...] localdir DESCRIPTION
"virt-copy-out" copies files and directories out of a virtual machine disk image or named libvirt domain. You can give one of more filenames and directories on the command line. Directories are copied out recursively. EXAMPLES
Download the home directories from a virtual machine: mkdir homes virt-copy-out -d MyGuest /home homes JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH
This command is just a simple shell script wrapper around the guestfish(1) "copy-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-edit(1), virt-tar-in(1), virt-tar-out(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-copy-out(1)
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