EQ matching

Has anyone attempted an EQ matching plug in written in Nyquist?

I posted a “hybrid” method somewhere on this forum - a Nyquist plug-in that converts the exported “Plot Spectrum” data to an Equalization effect XML file.

Steve: Is this it?
https://forum.audacityteam.org/t/combining-analyze-and-equalize/28133/4
– Bill

Thanks Bill, yes that was it.