Method select

sorts/external-sort.py:47–55

(self, choices)

class NWayMerge(object):
    def select(self, choices):
        min_index = -1
        min_str = None

        for i in range(len(choices)):
            if min_str is None or choices[i] < min_str:
                min_index = i

        return min_index


class FilesArray(object):