I like this construct better, though an if block is easier to read: s/.* to=([^,]+), .*/$1/ && do { $to_addr = $_ }; If the substitution succeeds, $to_addr is set to the new value of $_.

In reply to (chromatic) Re: Strange Behavior while Parsing Sendmail logs by chromatic
in thread Strange Behavior while Parsing Sendmail logs by Russ

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