[TriLUG] [bash] get total size of list of directories?

[Owen]

$ du -sc images imagesmpxl programs
557740  images
69591   imagesmpxl
226317  programs
853647  total

The -c option give you the total.

Owen

On Sun, Apr 13, 2008 at 07:18:27PM -0400, Tom Roche wrote:
> 
> Can one get the total size of a list of directories via shell
> scripting? I know I can do something like
> 
> $ find /this -maxdepth 1 -type d | grep -ve 
> '/this$\|norThat$\|norTheOther$' | xargs du -hs
> 
> but that just gives me the size of each dir in the list, and
> 
> $ find /this -maxdepth 1 -type d | grep -ve 
> 'this$\|norThat$\|norTheOther' | du -hs
> 
> fails oddly: value reported is wildly low, so I suspect it's just
> getting one directory then returning. How to get the sum of all?
>