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annotate python/sortdiff.py @ 767:35f8751c0930

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it is very annoying to have ones overrides overridden; see also http://stackoverflow.com/questions/25381304/why-type-cd-on-mac-os-states-that-cd-is-a-function
author Jeff Hammel <k0scist@gmail.com>
date Thu, 28 Jan 2016 14:02:17 -0800
parents 84a865a880a8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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84a865a880a8 a new way to view diffs based on sorted lines
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1 #!/usr/bin/env python
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2
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3 import optparse
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4 import os
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5 import sys
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6
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7 def main(args=sys.argv[1:]):
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8
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9 usage = '%prog [options]'
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10 parser = optparse.OptionParser(usage=usage, description=__doc__)
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11 options, args = parser.parse_args(args)
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12
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13 lines = sys.stdin.readlines()
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14 diff = {'+': set(),
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15 '-': set()}
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16 for line in lines:
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17 for key, value in diff.items():
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18 if line.startswith(key):
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19 value.add(line[1:].strip())
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20
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21 added = diff['+'].difference(diff['-'])
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22 minus = diff['-'].difference(diff['+'])
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23
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24 print '+++'
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25 for line in sorted(added):
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26 print line
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27 print '---'
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28 for line in sorted(minus):
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29 print line
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30
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31 if __name__ == '__main__':
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32 main()