23 lines
410 B
Python
23 lines
410 B
Python
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'''
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Keep the unique lines coming from stdin and print them.
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'''
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from voussoirkit import clipext
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import sys
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if len(sys.argv) > 1:
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text = clipext.resolve(sys.argv[1])
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else:
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text = clipext.resolve('!input')
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text = text.split('\n')
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new_text = []
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seen = set()
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for item in text:
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if item not in seen:
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new_text.append(item)
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seen.add(item)
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new_text = '\n'.join(new_text)
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print(new_text)
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