Nelson Castillo wrote:
> Well, this is silly. If you use dd to truncate a file this way you
> lose the trailing byte :)
>
> I really want to know : Is there another way to truncate a file in
> Linux?
>
> This would be a silly way to avoid wasting a byte to truncate a file
> to have 2 bytes with dd.
>
> ~$ echo 12345 > x
> ~$ dd if=x skip=1 bs=1 count=1 > t
> ~$ dd if=t seek=1 of=x count=1 bs=1
> ~$ cat x
> 12
>
> Regards,
> Nelson.-
I use trivial programs written in some other language to do the
truncating. For example, python:
file('xxx').truncate(10*1024*1024*1024)
But do note that files created this way are sparse - and we have had
*drastic* performance problems with files that are sparse.
So I would recommend just writing zeros.
-- Naked
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