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Subject:	Re: [geda-user] SAB processing patches
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John Doty wrote:
>
>>
>>  Anything more complex is handled
>> via an external user specified script accessed through the 'exec'
>> action. 
>
> How is this different from what the -l and -m options to gnetlist and
> lepton-netlist do?
>

1. I can't speak re: lepton-netlist. As currently written gnetlist only
uses the -l and -m  switches when using -g not with -p (Roland: correct
me if I am wrong on this, but that is how I read the code).
2. -l and -m only allow scheme scripts while SAB works with python scripts.
3. SAB annotation is at the component level. So ideally SAB activated
scripts are more task specific and hence more reusable.
4. SAB annotations are listed in the schematic (hopefully) making it
clearer what is being done and under what conditions.
5. SAB allows processing branches to be mixed and matched as needed
without modifying other files. This can be done with -l/-m using
something like makefiles and bundling scripts but with SAB that isn't
needed.
6. SAB activated scripts receive a clearly defined set of parameters
upon which to operate. I don't know enough about the scheme side to know
how this is handled there.
7. SAB doesn't have an analog of -m, it works solely between netlist
generation and backend processing.

Glenn

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