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Full Discussion: tar command with compress option...
Top Forums UNIX for Dummies Questions & Answers tar command with compress option... Post 29812 by witt on Friday 11th of October 2002 12:56:51 PM
Old 10-11-2002
You can do this :

#!/bin/ksh
for name in `ll -lt /home/*/.sh_history | egrep '2000|1999|1998|1997' | awk '{print $3}' `
do
echo "starting tar of" $name
tar <something here>
something else here
echo "tar finished for " $name
done 2> error.log

or

#!/bin/ksh
ll -lt /home/*/.sh_history | egrep '2000|1999|1998|1997' | awk '{print $3}' | while read name
do
echo "starting tar of" $name
tar <something here>
something else here
echo "tar finished for " $name
done 2> error.log

If the version of your tar command donīt have the "-z" option, you can make a FIFO file (name pipe) with the mknod command.

Like this :

mknod backup_file_p p
gzip < backup_file_p > backup_file_p.gz &
tar -cvf backup_file_p /home/user_x
\rm backup_file_p


Witt
witt
 

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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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