in reply to divide one file into multiple arrays

You could also use quotemeta on your @sites strings, so that the dots can match litteral dots and not any characters.

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Re^2: divide one file into multiple arrays
by muba (Priest) on Jun 26, 2013 at 09:29 UTC

    Or use \Q...\E
    as in
    push @bad_log, $_ if if /\Q$site\E/

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