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Full Discussion: diff command
Top Forums UNIX for Dummies Questions & Answers diff command Post 48070 by w33man on Thursday 26th of February 2004 05:48:55 AM
Old 02-26-2004
If dir1 is a directory
containing a directory named x,
and dir2 is a directory
containing a directory named x,
dir1/x and dir2/x both contain files named date.out,
and
dir2/x contains a file named y,

the command:
example% diff -r dir1 dir2
could produce output similar to:

Common subdirectories: dir1/x and dir2/x
Only in dir2/x: y
diff -r dir1/x/date.out dir2/x/date.out
1c1

Dont know if this helps more info in the man diff
 

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LEARN ABOUT DEBIAN

rsnapshot-diff

rsnapshot-diff(1)														 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

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

       -V (more verbose)
	   Be more verbose - as well as listed changes, unchanged files will be listed too.

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

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

AUTHOR

       David Cantrell <david@cantrell.org.uk>

COPYRIGHT

       Copyright 2005 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

								    2011-07-09							 rsnapshot-diff(1)
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