Volker Badziong wrote: > Hello, > > I am running "du (GNU coreutils) 5.93". When executing e.g. > > du --separate-dirs --summarize /etc/ > > you are only interested in the total space consumed by stuff in /etc/, not > within any subfolders. But nevertheless du traverses all subdirectories, > regardless if "--summarize" is set or not. This has no effect on the produced > output / numeric result for /etc/. > > Is there a reason the traversal still happens? This causes a lot of (in my > humble opinion) unncessary IO. > > Here is a sample output of running with and without --summarize. Numbers for > /etc/ are identical, but IO happens in both cases the same. > > somehost:/ # du --separate-dirs --block-size=1 /etc/ > 94208 /etc/udev/rules.d > ... > 3076096 /etc/ > > somehost:/ # du --separate-dirs --block-size=1 --summarize /etc/ > 3076096 /etc/
I think du actually has to traverse the whole tree in both cases. The difference as I understand it with `--summarize' is that information is only _printed_ for the top level. Bo _______________________________________________ Bug-coreutils mailing list Bug-coreutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-coreutils
