What did I do wrong?

[tallison at tacocat.net]

> On Wed, 18 Feb 2004 23:45:55 -0500
> David Relson <relson at osagesoftware.com> wrote:
>> > > /usr/local/bin/bogoutil -c1 -a14 -m /home/bogofilter/wordlist.db
>>
>> I'll bet it's faster to run:
>>
>>   bogoutil -d wordlist.db | bogoutil -l wordlist.db.new
>>   mv wordlist.db wordlist.db.old
>>   mv wordlist.db.new wordlist.db
>>
>> This will also result in a smaller database.
>
> Right, just doing the dump made the new wordlist file go down to 70 Megs
> from 124 Megs.
>
> For giggles, I also ran the singleton purge command above and it didn't
> change the new wordlist to make it even small as I would have expected.
> Is that unusual?
>
> Thanks,
> -Eric Wood
>

OK, I'll be the one to ask.

Why would a dump/load, without doing anything else to the data, make the
database smaller?