Your warning message was "Use of uninitialized value in pattern match (m//) at serarch_file.pl line 42, ..." This means the warning came from a script with at least 42 lines of code in it. Yours didn't therefore whatever script quoted wasn't what produced the warning.

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In reply to Re^3: regarding Tie::File by diotalevi
in thread regarding Tie::File by xiaoyafeng

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