On 26 October 2016 at 13:26, TJoseph Powderly <tjt...@gmail.com> wrote:
>
> so
> why not just associate an tool with an index into a technology?

This has to be part of any solution,because all that G-code knows how
to do is to pass out a single integer, the T-number.
From that point it is down to "something else" to deal with that
number, and currently that is all encoded in iocontrol. [1]

> and the tech stored in simple ascii flat files.

This is where we differ, I think. If we are going to expect system
integrators to write custom ways to interpret the T-number then I
think it is actually likely to be easier to have that encoded as a
database query than to write a custom flat-file parser.
Also, you can add your own metadata into a database and a query will
still work with whatever default query LinuxCNC is supplied with. If
you add members to a flat-file (or set of several flat files) then I
think you will break the parser.

[1] The proposed tool-table changes will almost certainly kill
iocontrol, as then that will only be concerned with coolant and lube
outputs

-- 
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916

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