dBase III files and Visual Foxpro 6 files

Ethan Furman ethan at stoneleaf.us
Mon Dec 8 15:44:53 CET 2008


sniffer wrote:
> On Dec 8, 12:53 pm, Ethan Furman <et... at stoneleaf.us> wrote:
>> Greetings All!
>>
>> I nearly have support complete for dBase III dbf/dbt files -- just
>> wrapping up support for dates.  The null value has been a hindrance for
>> awhile but I nearly have that solved as well.
>>
>> For any who know of a cool dbf module already in existence for dBase III
>> and Visual Foxpro -- where were you six months ago when I was searching?
>>   ;)  Seriously, though, this has been a great learning experience for me.
>>
>> As I said -- dbf/dbt files are 99% ready.  idx files -- no support:  for
>> my purposes I just don't need them.  I've found no problem in loading
>> tables up to 300,000 records with 50 fields per record, and re-ordering
>> them on the fly in memory.
>>
>> However, after putting much effort into this code, and wanting it to be
>> useful to others in the community, are there others who work with dbf
>> files that would need idx/cdx support?  Or tables so large they won't
>> fit comfortably into memory?
>>
>> ~ethan~
> 
> hi ethan,
> great to hear that someone has finally written something for
> interacting with vfp6 data,when do you plan to release it

Well, let's see...

A couple more days to have the datetime bit worked out (I don't support 
datetimes prior to 1981 in vfp tables),
longer for currency types, and of course, no idx/cdx support at this point.

Tell you what --  I'll trade you a copy of the code as it stands with 
date and datetime working for null values, for an answer of whether you 
need idx/cdx file support.  ;)

~ethan~



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