def do_where(self):
        stack, curindex = self.get_stack(self.frame, None)
        lines = []
        for frame, lineno in stack:
            filename = frame.f_code.co_filename
            line = linecache.getline(filename, lineno)
            lines.append((filename, lineno, "", "", line, ))
        return lines
Find the longest common prefix of a series of iterables.
dataset/ETHPy150Open uwdata/termite-data-server/web2py/gluon/contrib/qdb.py/Qdb.do_where--crossover with--dataset/ETHPy150Open cloudmatrix/esky/esky/util.py/common_prefix