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  1. or download this
    sub cap_ratio {
        local $_ = shift || return 0;
    ...
    __END__
    O HAI, cn u plEAZ hHELPS ME? I IZ CAT.
    77%
    
  2. or download this
    use strict;
    
    ...
    Hope it works
    
    =cut
    
  3. or download this
    <html>
     <head>
    ...
    
    </body>
    </html>
    
  4. or download this
    (?:(?:\r\n)?[ \t])*(?:(?:(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:\r\
    +n)?[ \t]
    )+|\Z|(?=[\["()<>@,;:\\".\[\]]))|"(?:[^\"\r\\]|\\.|(?:(?:\r\n)?[ \t]))
    +*"(?:(?:
    \r\n)?[ \t])*)(?:\.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]
    ++(?:(?:(
    ...
    +|\Z|(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t
    +])*)(?:.(?:(?:\r\n)?[ \t])*(?:[^()<>@,;:\\".\[\] \000-\031]+(?:(?:(?:
    +\r\n)?[ \t])+|\Z
    |(?=[\["()<>@,;:\\".\[\]]))|\[([^\[\]\r\\]|\\.)*\](?:(?:\r\n)?[ \t])*)
    +)*\>(?:(
    ?:\r\n)?[ \t])*))*)?;\s*)