The parameters for the read command is a single file name. The file name must be a complete pathname to the file containing the definition of the circuit.
The file extensions need not be specified as they are assumed by Carafe. For the mag file format, the file extension is assumed to be .mag and the file extension .strm is assumed for the Calma file format. If the file extension is different from the assumed ones, they can be specified by appending it to the file name.