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34 lines
1004 B
Python
34 lines
1004 B
Python
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#!/usr/bin/env python3
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"""Print the most common whole-line entries read from stdin.
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Reads lines from stdin, counts identical (trailing-whitespace-stripped) lines,
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and writes the ``argv[1]`` most common as ``<count> <line>`` rows to stdout. Used
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by ``analyze_repo.sh`` as the fallback word counter when the Rust ``counts`` tool
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is unavailable.
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Kept as a standalone module (not inline ``python3 -c`` in the shell script) so the
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repository's Python tooling applies; see CLAUDE.md "Shell Style".
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"""
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from __future__ import annotations
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from collections import Counter
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import sys
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_DEFAULT_TOP_N = 50
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def main() -> int:
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"""Count stdin lines and print the top-N most frequent to stdout."""
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args = sys.argv[1:]
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top_n = int(args[0]) if args else _DEFAULT_TOP_N
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counter = Counter(line.rstrip() for line in sys.stdin)
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sys.stdout.write(
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"".join(f"{count} {word}\n" for word, count in counter.most_common(top_n)),
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)
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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