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sub parse_datetime($) { $_ =~ /(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d)/; return($1, $2, $3, $4, $5); }
sub parse_datetime($) { ... $s =~ /(\d\d\d\d)-(\d\d)-(\d\d) (\d\d):(\d\d)/; return($1, $2, $3, $4, $5); }