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Hmm, I tend to agree with Evan. The strength of FOSS tools (and UNIX utilities in general) have always been their ability to be used as parts of a flexible toolbox that can be combined as needed. This is even true of large EDA tools, so long as they rely on text files as their medium.

I've built, examined, and built the diffPDF code under Linux and OSX, and I think that it is certainly feasible for a single volunteer to develop a visual "gschdiff" utility. Probably the largest workload would be adapting the Qt code to Gtk.

-- 
Roger Williams <roger AT qux DOT com>
Chief Technical Officer, Qux Corporation
245 Russell Street, Hadley, MA 01035, USA
Tel +1 508 287-1420 * Fax +1 508 302-0230

On 17 Oct 2014, at 20:58, Evan Foss <evanfoss AT gmail DOT com> wrote:

> Why can't we have a gschdiff command that generates colorized or
> shaded (for the color blind) schematic files where the file A is one
> shade and file B is the other.
> 
> Why is that FOSS-volunteer-infeasible?
> 
> On Fri, Oct 17, 2014 at 8:46 PM, John Griessen <john AT ecosensory DOT com> wrote:
>> On 10/17/2014 12:44 PM, Evan Foss wrote:
>>> 
>>> I think we want the diff functions internal to the geda and friends
>>> and the version control external.
>> 
>> 
>> 
>> I don't see that as easy in the context of volunteer developers.
>> 
>> The internal part could be limited to defining the no-person's-land
>> zone, and exporting the data in that zone, without netlist,
>> for use by an external diff program and the results tracked by
>> an external VCS.
>> 
>> That's FOSS-volunteer-feasible.
> 
> 
> 
> -- 
> Home
> http://evanfoss.googlepages.com/
> Work
> http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/

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