how to make the contents of a file disappear after x numbers of days or at date

[Gilles Gravier]

 Encrypt the file... and at set date, delete the key. After that, the
contents are LOST.

Gilles.

On 09/09/2010 16:47, Cybe R. Wizard wrote:
> On Thu, 9 Sep 2010 14:04:06 +0000 (UTC)
> user1 <bqz69 at telia.com> wrote:
>
>>>> I should be a kind of wipe operation :-)
>>> Can you explain what you mean with "disappear"? Should the result
>>> be an empty file or e.g. a file with the same length and random
>>> data?
>>
>> I mean the result should be an empty file (or a part of a file),
>> where the "wiped" data is gone and cannot be restored.
>>
> Do you want an empty file or a deletion of the file?
> If the latter, use cron.
>
> Cybe R. Wizard