forked from colonelpanic/dotfiles
49 lines
1.1 KiB
Python
49 lines
1.1 KiB
Python
import re
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history_entry_re = re.compile(": ([0-9]*):[0-9]*;.*")
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class dedup(set):
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def contains_add(self, elem):
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if elem in self:
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return True
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else:
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self.add(elem)
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return False
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def merge_history(filenames):
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entries = dedup()
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pairs = [entry for filename in filenames for entry in entry_timestamp_pairs(filename)]
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return "".join([
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p[0] for p in sorted(pairs, key=lambda pair: pair[1])
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if not entries.contains_add(p[0])
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])
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def entry_timestamp_pairs(filename):
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pairs = []
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with open(filename, 'r') as file:
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entry = None
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timestamp = None
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for line in file.readlines():
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if line[0] == ":":
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if entry != None:
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pairs.append((entry, timestamp))
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timestamp = timestamp_from_line(line)
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entry = line
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else:
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entry += line
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return pairs
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def timestamp_from_line(line):
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return int(history_entry_re.search(line).group(1))
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if __name__ == '__main__':
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import sys
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print merge_history(sys.argv[1:])
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