The si.env file defines the following variables that determine if resistors, capacitors, diodes, or all devices must be preserved in the netlist.
preserveRES preserveCAP
preserveDIO preserveALL

The si.env file defines the following variables that determine if resistors, capacitors, diodes, or all devices must be preserved in the netlist.
preserveRES preserveCAP
preserveDIO preserveALL