Free Disk Necessary To Retructure A File

[Jay R. Ashworth]

On Mon, Jul 28, 2008 at 10:25:14AM -0400, Kenneth Brody wrote:
> Quoting Scott Walker (Sat, 26 Jul 2008 18:38:05 -0400):
> > John,
> >
> > So are you saying that if I had 10 million bytes free on my disk drive,
> > I could add a field to a file with 400mb as long as the resulting file
> > was not more than 10mb larger.
> >
> > In other words, I don't need free disk space to be anywhere near the
> > size of the file I am restructuring.
> [...]
> 
> Correct.  If you are growing the file, it is done in place, so you only
> need enough room for the difference in size.  On the other hand, if you
> are shrinking the file, you need enough free space for the resulting
> file.
> 
> So, going from 400MB to 410MB needs 10MB free space, but going from 400MB
> to 390MB needs 390MB.  (This is why you are given the option of not doing
> the actual shrink.)  This is because not all systems on which filePro runs
> have the ability to truncate a file.

So, is there a switch to force it to make a new file anyway, for safety
purposes?

Cheers,
-- jra
-- 
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