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25 lines
594 B
Python
25 lines
594 B
Python
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#!/usr/bin/env python
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import argparse
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if __name__ == "__main__":
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ap = argparse.ArgumentParser(usage="%(prog)s [options] file...")
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ap.add_argument(
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"-s",
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"--size",
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type=int,
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default=0,
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help="size in bytes to truncate to",
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metavar="BYTES",
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)
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ap.add_argument("file", nargs="+", help="file to truncate", metavar="FILE")
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args = ap.parse_args()
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size = args.size
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if size < 0:
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ap.error("size cannot be negative")
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for filename in args.file:
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with open(filename, "a+b") as f:
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f.truncate(size)
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