Funes el memorioso

Sometimes, we want to see disk usage in a human readable form (KB, MB, GB) for each subdirectory.

[ytyoun@ladon: ~]# find . -maxdepth 1 -type d -exec du -sh {} \; | sort -h
4.0K	./nsmail
8.0K	./Downloads
8.0K	./.eggcups
8.0K	./.gnome2_private
8.0K	./.gvfs

...

120M	./.mozilla
186M	./emacs-24.2
223M	./.cache
240M	./Desktop
284M	./Work
444M	./.config
1.9G	.

How it works.

1. find: a linux command to search for files or directories in a directory hierarchy.
2. find .: runs the find command on the current directory
3. find . -maxdepth 1 -type d: searches for all the directories contained in the current directory without descending to subdirectories below the current directory
4. find (condition) -exec (command) {} \;: for each file or directory satisfied by the (condition), run (command).
   {} \; is replaced by each directory satisfied by the find command.
5. du -sh (dir): displays the disk usage statistics of the directory (dir) in a human readable form.
   In this example, we just feed {} \; as we want to run du command for each directory obtained by the find command.
6. | : linux pipe
7. sort -h: sorts the human readable numbers such as KB, MB and GB.

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