Finding the size of directory with multiply hardlinked files

[Todd Denniston]

Dean S. Messing wrote, On 03/13/2008 10:48 PM:
> I have a sequence of directories that have many multiply
> (cross)hardlinked files, and I'd like to see what their
> "true" sizes are.  These dirs are backup directories
> created with something like:
> 
> rsync -a --delete --link-dest=/mnt/bkup/backup_A/ \
>       /dir_to_back_up /mnt/bkup/backup_B/
> 
> By "true" sizes I mean this:
> 
> Say backup_A was created first.  If I do `du_true
> backup_A' I shd. see its size.  Now I delete some files
> in "/dir_to_back_up" and create some other new files.
> Now I create "backup_B" with the above rsync command.  I'd
> like for my mythical `du_true' to compute the
> incremental change in size from backup_A to backup_B.
> 
> This seems like a non-trivial problem but maybe I'm just
> missing something simple.
> 
> Dean
> 

perhaps you are looking for `du -l` ??

         -l, --count-links
               count sizes many times if hard linked


-- 
Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter