def getWinnow(self, guarantee, noise=1, salt=''):
thisWindow = Window(guarantee, noise)
for line in self.getHashCopy(salt=salt).split('\n'):
if line.strip() != '':
lineNumber = int(line[1:line.find(' ')])
line = line[line.find(' ') + 1:]
for chunk in line.split(' '):
thisWindow.addChunk(chunk, lineNumber)
return thisWindow.fingerPrint
