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Peter, Brad,

On 2005 May 10 , at 21.03, Peter W. Draper wrote:

> this is a feature of HDS. The space taken by erased objects is not
> released until a new copy of the whole HDS file is made (otherwise each
> erase would have to be followed by a reorder of all the contents of the
> file). To "recover" the space you need to do an NDFCOPY.

It's a pity that files can't be made sparse.  I took a quick look at
Google, and saw suggestions that this is possible on XP, and possible
on ext2fs if you unmount the filesystem first, but nothing actually
useful.  Pity.

Norman


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Norman Gray  :  Physics & Astronomy, Glasgow University, UK
http://www.astro.gla.ac.uk/users/norman/  :  www.starlink.ac.uk