Corruption in hist files

Hi,

I have a hobbit server running as vmware guest that changes it's clock at 
random when you reboot.  The clock has jumped a few times to 2010.
This gives problems with the hist files.

I wrote a perl script to clean up the hist files:
   - delete lines in the future
   - fixes the layout so the last number on a line is the seconds between the 
current and the next line.

If anyone is interested, let me know.
I think it would be great if the trimhistory utility can do this also.


Stef