26 lines
618 B
Python
26 lines
618 B
Python
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#!/usr/bin/env python
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"""Prepends a relative timestamp to each input line from stdin and writes it to stdout."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import sys
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import time
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def main():
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"""Main program entry point."""
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start = time.time()
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sys.stdin.reconfigure(errors='surrogateescape')
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sys.stdout.reconfigure(errors='surrogateescape')
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for line in sys.stdin:
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seconds = time.time() - start
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sys.stdout.write('%02d:%02d %s' % (seconds // 60, seconds % 60, line))
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sys.stdout.flush()
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if __name__ == '__main__':
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main()
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