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Full Discussion: Need Multiple checks inside if condition in a bash shell script
Top Forums Shell Programming and Scripting Need Multiple checks inside if condition in a bash shell script Post 302999883 by mohtashims on Thursday 29th of June 2017 08:58:00 AM
Old 06-29-2017
Hammer & Screwdriver Need Multiple checks inside if condition in a bash shell script
Hi,

I need to perform the untar and rm operation if the file found is a .tar and does not have test.tar or hello.tar as the file names.

Below is the loop to check the same.

Code:
        for tf in *.tar
        do      if [[ ( -f "$tf" ) && ( "$tf" != test.tar || "$tf" != hello.tar ) ]]
                then    found=1
                        echo "UNTAR THIS:"$tf
                        tar xvf "$tf" && rm -rf "$tf"
                        ec=$?
                        if [ $ec -ne 0 ]
                        then    exit $ec
                        fi
                else
                echo "DONT TOUCH THIS TAR:"$tf
                fi
        done

However, when I run the script in debug mode it is only checking the condition "$tf" != test.tar and ignores this check "$tf" != hello.tar

So it untars and removes hello.tar when it was suppose to ignore it.

Can you please suggest.
 

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LEARN ABOUT DEBIAN

virt-tar-in

virt-tar-in(1)						      Virtualization Support						    virt-tar-in(1)

NAME

       virt-tar-in - Unpack a tarball into a virtual machine disk image.

SYNOPSIS

	virt-tar-in -a disk.img data.tar /destination

	virt-tar-in -d domain data.tar /destination

	zcat data.tar.gz | virt-tar-in -d domain - /destination

WARNING

       Using "virt-tar-in" on live virtual machines can be dangerous, potentially causing disk corruption.  The virtual machine must be shut down
       before you use this command.

DESCRIPTION

       "virt-tar-in" unpacks an uncompressed tarball into a virtual machine disk image or named libvirt domain.

       The first parameter is the tar file.  Use "-" to read the tar file from standard input.	The second parameter is the absolute target
       directory to unpack into.

EXAMPLES

       Upload a home directory to a guest:

	virt-tar-in -d MyGuest homes.tar /home

JUST A SHELL SCRIPT WRAPPER AROUND GUESTFISH

       This command is just a simple shell script wrapper around the guestfish(1) "tar-in" 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-make-fs(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-tar-in(1)
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