mfstoxml.pl takes the argument “mfsfilename” (include quotes, don't include file extension) and outputs an xml file with the same name.
ratios.pl takes the argument “xmlfilename” (again, include quotes but not the file extension) and outputs a txt file containing all of the simplified ratios for all the chords in the give xml file.
ratiostostats.pl takes the output of ratios.pl “txtfilename” (include quotes, not file extension) and outputs a dat file containing the average consonance for chords with given numbers of notes.