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Full Discussion: Making a script to copy files not seen before (using md5sum)
Top Forums Shell Programming and Scripting Making a script to copy files not seen before (using md5sum) Post 302848727 by MR.bean on Thursday 29th of August 2013 11:39:47 PM
Old 08-30-2013
As far as I see, you only copy files that are not on the md5sum list. I do not see you are doing any md5sum check against the files though.

Actually you could just use --ignore-existing of rsync if you want to ignore the files that both exist in the source and destination directories.

Code:
rsync -avv --ignore-existing src/ des/

If you still want to keep track of that list and have the command that does the copying and excluding, you could use --exclude-from={PATH_TO_YOUR_LIST} of rsync
Last edited by MR.bean; 08-30-2013 at 04:27 AM..
 

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LEARN ABOUT DEBIAN

finddup

FINDDUP(1)							       Perl								FINDDUP(1)

NAME

       finddup - Find identical files and do something with them

SYNOPSIS

   Usage:
	      finddup [options...]

       --man  the manpage

       -h, --help
	      a short help

       --version
	      the version (CVS) of the program

       -n, --noaction
	      do just nothing, just print out (implies -v)

       -v, --verbose
	      just what the name says

       -q, --quiet
	      be quiet

       -l, --link
	      link the identical files together

       -o, --oldresult
	      Use the old output of this script

       -i, --ignore-perms
	      Don't check that file owner and permissions match

       -d, --dir
	      Define the dir to check (you may specify more than one)

DESCRIPTION

       finddup search the working directory and all files below on the same partition for duplicate files.

       finddup can optional hardlink such files to save space.

       Files size 0 will not be reported or hardlinked as this might give problemes later.

       This is a complete rewrite of the finddup in perl to handle several issues:

	 - Allow spaces and other characters in filenames

	 - be faster

	 - include nodup in same script

	 - Handle files that already have other hardlinks in the same tree

	 - Several improvements

       If started as nodup or nodup.pl the script will act like started with options --link and --oldresult

COPYRIGHT

       Copyright (c) 2005 by Klaus Ethgen. All rights reserved.

LICENSE

       This  program  is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY	WARRANTY;  without  even  the  implied	warranty  of  MER-
       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You  should  have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

AUTHOR

       Klaus Ethgen <Klaus@Ethgen.de<gt>

HISTORY

       $Log: finddup,v $ Revision 2.3  2005/02/06 18:57:42  klaus * Make --oldresult faster by not calculating the md5sum again * Fix a  but  that
       with --oldresult no links will be done cause the internal
	 datastructure * Do handle errors in open for md5sum calculation

       Revision 2.2  2005/02/06 12:21:02  klaus Little but important bug in link routine.

       Revision 2.1  2005/02/05 18:43:11  klaus Just cosmetic

       Revision 2.0  2005/02/05 18:41:20  klaus Completely new version

Contributed							       User								FINDDUP(1)
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