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cb71ff8 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | #!/usr/bin/env python3
import argparse
from pathlib import Path
def main() -> None:
parser = argparse.ArgumentParser(description="Write the first N non-empty JSONL lines to a new file.")
parser.add_argument("--input", required=True, help="Input JSONL file.")
parser.add_argument("--output", required=True, help="Output JSONL file.")
parser.add_argument("--limit", type=int, default=100000, help="Number of non-empty lines to keep.")
args = parser.parse_args()
input_path = Path(args.input).resolve()
output_path = Path(args.output).resolve()
output_path.parent.mkdir(parents=True, exist_ok=True)
kept = 0
with input_path.open("r", encoding="utf-8") as src, output_path.open("w", encoding="utf-8") as dst:
for line in src:
if not line.strip():
continue
dst.write(line)
kept += 1
if kept >= args.limit:
break
print(f"Wrote {kept} lines to {output_path}")
if __name__ == "__main__":
main()
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