Re: further WIP for COPYable logs

>>
>> Here's my latest WIP patch for COPYable CSV logs. I think I addresses
>> all (or most :-) ) of the concerns Dave and Tom had. It's a whole lot
>> simpler than before (no extra pipe).
>>
>> I have not yet tested this on Windows, but given that it now contains
>> almost no Windows-specific code I'm not so worried about it - will
>> test when I get a chance.
>>
>
> Windows tests (make installcheck-parallel with csv logs turned on)
> seem to work just fine.
>
>

updated in attached to fix a couple of small logic bugs in picking the
destination file.

I think this is close to ready for documentation and application.

cheers

andrew