29 lines
705 B
Python
29 lines
705 B
Python
import argparse
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import sys
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from voussoirkit import pipeable
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def shuffle_argparse(args):
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if args.count < 1:
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pipeable.stderr('count must be >= 1.')
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return 1
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lines = pipeable.input(args.source, read_files=True, skip_blank=True, strip=True)
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lines = list(lines)
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lines = lines[:args.count]
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for line in lines:
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pipeable.stdout(line)
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def main(argv):
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('source')
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parser.add_argument('count', type=int)
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parser.set_defaults(func=shuffle_argparse)
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args = parser.parse_args(argv)
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return args.func(args)
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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