def exportValue(self, vf, value):
        m = StrStrHashMap(value)
        keysAndValues = []
        for i in m.keys():
            keysAndValues.append(i)
            keysAndValues.append(m[i])
def main(args):
    '''Populates an html template using JSON-formatted output from the
    Linux 'du' utility and prints the result'''
    html = '''