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#!/usr/bin/env python
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# Removes duplication from XPath expressions
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# Filters one XPath per line from stdin to stdout
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import re
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import sys
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def main():
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    while True:
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        line = sys.stdin.readline()
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        if line == '': break
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        # Forward * abbrs
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        line = re.sub(r'(\w+)(?=\w*(?:->/[^/]*)?/\1\b)', r'*', line)
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        # Backward * abbrs
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        line = re.sub(r'((\w+)->/[^/]*/[^/]*\[)\2', r'\1*', line)
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        sys.stdout.write(line)
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main()
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