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wonderbeyond/locate_line.py

Created July 21, 2025 06:44
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[python] Locate line match some pattern in file
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locate_line.py
"""
Help me implement the Python function,
def locate_line(filename, pattern: str, after: str|None, until: str|None) -> int: ...
It finds the first line in file matching the re pattern and returns the 1-based lineno, 0 means nothing found. The after and until params specify the optional searching range.
Please write concise, clear but readable code.
"""
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