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rsnapshot-diff(1)


NAME

   rsnapshot-diff - a utility for comparing the disk usage of two
   snapshots taken by rsnapshot

SYNOPSIS

   rsnapshot-diff [-h|vVi] dir1 dir2

DESCRIPTION

   rsnapshot-diff is a companion utility for rsnapshot, which traverses
   two parallel directory structures and calculates the difference between
   them.  By default it is silent apart from displaying summary
   information at the end, but it can be made more verbose.

   In the summary, "added" files may very well include files which at
   first glance also appear at the same place in the older directory
   structure.  However, because the files differ in some respect, they are
   different files.  They have a different inode number.  Consequently if
   you use -v most of its output may appear to be pairs of files with the
   same name being removed and added.

OPTIONS

   -h (help)
       Displays help information

   -H (human)
       Display more human-friendly numbers - as well as showing the number
       of bytes changed, also show MB and GB.

   -i (ignore)
       If verbosity is turned on, -i suppresses information about
       symlinks, directories, and special files.

   -s (show size)
       Show the size of each changed file after the + or - sign.  To sort
       the files by decreasing size, use this option and run the output
       through "sort -k 2 -rn".

   -v (verbose)
       Be verbose.  This will spit out a list of all changes as they are
       encountered, apart from symlink, as well as the summary at the end.

   -V (more verbose)
       Be more verbose - as well as listing changed files, unchanged files
       and symlinks will be listed too.

   dir1 and dir2
       These are the only compulsory parameters, and should be the names
       of two directories to compare.  Their order doesn't matter,
       rsnapshot-diff will always compare the younger to the older, so
       files that appear only in the older will be reported as having been
       removed, and files that appear only in the younger will be reported
       as having been added.

SEE ALSO

   rsnapshot

BUGS

   Please report bugs (and other comments) to the rsnapshot-discuss
   mailing list:

   <http://lists.sourceforge.net/lists/listinfo/rsnapshot-discuss>

AUTHOR

   David Cantrell <david@cantrell.org.uk>

COPYRIGHT

   Copyright 2005-2010 David Cantrell

LICENCE

   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
   MERCHANTABILITY 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.,
   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA



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