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Full Discussion: Programming newbie -help!!
Top Forums Shell Programming and Scripting Programming newbie -help!! Post 302714215 by Arun_Linux on Friday 12th of October 2012 02:02:42 AM
Old 10-12-2012
Every time the loop runs, it creates the tar file in the same name (backup.tar.gz) thus over writing the previous one, hence it ends up only with the last tared file.
The tar command in your while loop should have variable for both source and destination.

Try this:

Code:
cat test.txt |
(
while read line
do
tar -czPf  backup_$line.tar.gz  $line
done
)

 

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GPODDER-BACKUP(1)						   User Commands						 GPODDER-BACKUP(1)

NAME
gpodder-backup - Backup and restore utility for gPodder user data SYNOPSIS
gpodder-backup [--create|--extract] <archive.gpo.tar.gz> [options] gpodder-backup --purge DESCRIPTION
This utility can be used to create a dump of the current gPodder data (configuration files + downloads), optionally replacing the real con- tents of the download folder with zero-byte files (for submitting your data to a bug report without having to transfer lots of data). OPTIONS
--version show program's version number and exit -h, --help show this help message and exit -c <FILE>, --create=<FILE> Create a new archive -x <FILE>, --extract=<FILE> Extract an existing archive -f, --fake-downloads Store downloads as zero-byte files in backup -n, --no-covers Do not include cover files in archive -D <DIR>, --destination=<DIR> Extract downloads in different folder -P, --purge Remove current data (can be combined with --extract) USAGE FOR BUG REPORTING
This command is useful if you want to report a bug in gPodder: gpodder-backup --create bug123.gpo.tar.gz --fake-downloads Backup your current data to file bug123.gpo.tar.gz, but don't store download data (create zero-size dummy files instead). You can then attach bug123.gpo.tar.gz to the bug report. If you are instructed to try gPodder from a "clean state", you can use the following command (be sure to backup your data before!): gpodder-backup --purge Remove all gPodder data, so you can start from a clean state EXAMPLES
gpodder-backup --create today.gpo.tar.gz Backup your current data to file today.gpo.tar.gz gpodder-backup --extract mybackup.gpo.tar.gz Restore (without purging) the contents of mybackup.gpo.tar.gz gpodder-backup --extract default.gpo.tar.gz --purge Remove current data, then restore the contents of default.gpo.tar.gz gpodder-backup --purge Remove all gPodder data, so you can start from a clean state EXTRACTING FAKED DOWNLOADS
Please note that any existing downloads will be overwritten with zero-byte files when using the --extract option of the gpodder-backup utility with a backup created with --fake-downloads AUTHOR
gpodder-backup was written by Thomas Perl (thp@gpodder.org) gpodder-backup 1.0 December 2010 GPODDER-BACKUP(1)
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