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Full Discussion: Compress a tar file to smaller size
Top Forums Shell Programming and Scripting Compress a tar file to smaller size Post 302887623 by Shaibal_bp on Sunday 9th of February 2014 01:36:22 PM
Old 02-09-2014
Question
Neo:

Thanks.
But will that serve the purpose??
I want the files from the 1GB tar file (data.tar- untarred to data) to be copied into two separate folders as data_part1 and data_part2 and then recompress these two folders.

Contents inside the tar file are more file1.gz,file2.gz,file3.gz... and so on..

file1.gz,file2.gz (assuming it to be less than or equal to 500MB) should be copied to file1 and then compress to data_part1.zip and then remaining files(file3.gz,file4.gz...) assuming them to total another 500MB and copy to data_part2 and then compress to data_part.zip

Can you or any other Unix expert help me with that??
 

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LEARN ABOUT DEBIAN

gpodder-backup

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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