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Full Discussion: How to copy and comment out
Top Forums Shell Programming and Scripting How to copy and comment out Post 302206927 by upsrk on Wednesday 18th of June 2008 05:19:02 PM
Old 06-18-2008
How to copy and comment out

I need help with a script. Here's what I want to do.

I have a file "upsrk.txt" which can be either under "/home/upsrk" OR "/home/oracle"

On some systems file "upsrk.txt" may not exist, in that case I want to just exit out of the script.

If the file is there, I want to check if I have the permissions to write to this file (on some systems it may be owned by root)

If I have the permissions to this file, then I want to look for "upsrk@gmail.com" and then comment the line which contains it.

Thanks in Advance for your Help.
 

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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 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-copy-out(1)
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