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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 CENTOS

bf_tar

BF_TAR(1)						    Bogofilter Reference Manual 						 BF_TAR(1)

NAME

       bf_tar - shell script to write a tar file of a bogofilter directory to stdout

SYNOPSIS

       bf_tar [-r] [-R] bogofilter_directory

DESCRIPTION

       bf_tar bundles a bogofilter working directory in tar format and copies it to standard output (your console, or where you redirect it, see
       EXAMPLES below).

OPTIONS

       The -r option causes bf_tar to remove inactive log files after the archive has been written successfully. The default is to leave log
       files.

       The -R option causes bf_tar to remove inactive log files before the archive is written. This may reduce chances that the resulting archive
       is recoverable should it become damaged. The archive may be smaller though. The default is to leave log files.

EXIT STATUS

       The script exits with status code 0 if everything went well, and nonzero if it encountered trouble.

EXAMPLES

       o   bf_tar ~/.bogofilter > outfile.tar

	   Writes a standard .tar file containing the essential files from ~/.bogofilter to outfile.tar.

       o   bf_tar ~/.bogofilter | gzip -9 -c > outfile.tar.gz

	   Writes a gzipped .tar.gz file containing the essential files from ~/.bogofilter to outfile.tar.gz.

       o   bf_tar `pwd`/mydirectory > outfile.tar

	   Prepend $(pwd)/ or `pwd`/ if you want to specify an absolute path instead of a relative path.

NOTES

       This script is meant for use with Berkeley DB based bogofilter versions.

       This script requires a SUSv2 compliant pax utility.

       This script expects a SUSv2 compliant shell. Solaris systems should have the SUNWxcu4 package installed (when bogofilter is configured) so
       that /usr/xpg4/bin/sh can be used.

AUTHORS

       Matthias Andree

Bogofilter							    10/22/2012								 BF_TAR(1)
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