Special bonus to anyone who can tell me what an agkistrodon acutus is, and how deadly is its bite.

That would be the Formosan Hundred-pace (or conehead) snake, whose bite causes skin and muscles to darken and deteriorate, accompanied by blistering and blood-tinted discharge and a slight burning sensation.

Assuming you've opened the file using the filehandle FILE, the following should work: 

while ( <FILE> ) {
    last if /^TITLE (.*)$/;
}

$title = $1;

while ( <FILE> ) {
    last if not /^TITLE (\d*) (.*)/;
    $title .= ' ' . $2;
}

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In reply to Re: Finding first block of contiguous elements in an array by dws
in thread Finding first block of contiguous elements in an array by FamousLongAgo

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