dBase III files and Visual Foxpro 6 files

sniffer adi at lspl.net
Mon Dec 8 19:06:28 CET 2008


On Dec 8, 7:44 pm, Ethan Furman <et... at stoneleaf.us> wrote:
> 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~

well ethan luckily i dont require idx/cdx support



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