What does this script do? It is very neat to draw circuits using circuit-macros: http://tug.ctan.org/cgi-bin/ctanPackageInformation.py?id=circuit-macros However, this process is quite difficult and not so very visual. This script will read in schematic file generated by PSpice 9.x and convert it to m4 file so that the circuit-macros can convert it further. Usage: ./sch2m4.pl [input sch file] Thi..