@User: The simulation netlists are specifically written for ngspice, which has a ".control" ... ".endc" block that is, as far as I am aware, completely incompatible with anything that is not ngspice. But for the most part you can remove the ".control" ... ".endc" and change the analysis from "dc" to ".dc" or "ac" to ".ac", etc., and it should perform the same analysis. The "wrdata" is a command that generates column-separated data in ASCII format, and you could replace that with ".save" and then read the resulting raw file.