Martin,

After I wrote this, I said to myself, if anyone would/could do this it would be 
someone close to the Development of one of the Mv systems. I thought Northgate, 
but I'm not surprised that you've done it.  I'll know where to go when I get a 
contract converting a reality or R83 to OpenQM, or am asked 'to what MVdb can 
we move our app ...?'

-Baker

/snip

Back in the days when I was working on the development of PI/open, I had a go 
at this. It is not difficult to produce Basic code that does the same job as 
the Proc but producing good code rather than a simple step by step 
interpretation of the Proc is difficult. Also, there are some strange 
interactions between Procs and the underlying command environment that are 
different from how Basic programs work so you can never get a true replacement.

> Same goes for a tool to convert A correlatives to I-descriptors.

This is relatively easy. If you think there is a market, we might even do it. 
We looked at this as part of the migration process for users moving to OpenQM 
but we chose to implement correlatives instead as it was easy. Ours are 
compiled (like an I-type) rather than interpretive for best performance so 
actually the task of writing the convertor is probably little more than ripping 
apart our existing correlative compiler.

> But pity the wretch that is assigned the task of writing the tool to
> convert F correlatives.

This is probably easier than A correlatives. Again, if there is a real market 
that would pay a sensible price for it, we might do it.


Martin Phillips
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