OpenEuphoria

Re: [WIN] drive space used != total file space used; whynot?

• Posted by mistertrik at hotmail.com Feb 10, 2002
• 493 views

>I'm getting that ok (verified afterward by using "properties" on each
>directory & comparing), but when I SUM UP all the space used by all
>directories (& also all files on the drive which are not in >directories), 
>and compare that to what I see when I use "properties" >on the DRIVE 
>itself, the "properties" says there's more space used up >on the drive than 
>the summing of the directories says.
>
>So I'm wondering what I'm missing.
>Anybody got any idea what might be going on?
>Dan

Cluster size?

A 352 byte file will occupy 1 cluster on the disk, even though is smaller 
than that. The discrepancy you are seeing may be because of this. Each file 
needs to occupy a whole number of clusters, so if it uses part of a cluster, 
it 'spills over' and is seen to occupy all of it. (or something like that)
Alternatively, use:

usedSpace = diskSize - freeSpace()


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