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Full Discussion: extract tar.gz files
Top Forums UNIX for Dummies Questions & Answers extract tar.gz files Post 70785 by zazzybob on Wednesday 4th of May 2005 06:23:53 AM
Old 05-04-2005
Quote:
Originally Posted by networkfre@k
When you have a file containing the filenames, eg

# cat filelist
file1.tar.gz
file2.tar.gz
file45.tar.gz
...

# for x in `cat filelist`; do gzcat $x | tar xf -; done
Or to avoid the UUOC and use a while loop (which is faster anyway)
Code:
while read file; do
  gunzip -c $file | tar xf -
done < filelist

Also, it's always safer to use gunzip -c over gzcat as gzcat may not be present on all systems - gunzip -c will be more portable.

Cheers
ZB
 

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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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