[Qt-interest] Qt show folder size

[Arnold Krille]

On Friday 18 September 2009 14:17:56 Andrei Sebastian Cimpean wrote:
> On Friday 18 September 2009 02:52:28 pm Sean Harmer wrote:
> > On Friday 18 Sep 2009 12:09:02 Andrei Sebastian Cimpean wrote:
> > > This returns a standard size around 4 kb:
> > > QString::number(fileorfolder.size(),10)
> > > Does anyone know how to get the sum of all the items inside the folder?
> > Yes, iterate through them and sum the sizes. Should be trivial with
> > QDirIterator and QFileInfo.
> How fast is this way of doing it? I mean for a folder with 100k the number
> of subfolders and files wouldn't it take ages?

Show me a file-system where you can traverse 100k of sub-folders really fast. 
From my experience, normal "ls -R" works slow on ext3 and _very_ _ultra_ 
_sloooww_ on fat*...

Arnold
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