There's a simple solution to the memory doubling problem: 

my $raw = do {
   open(my $fh, '<', $file)
      or die("Could not read file: $!\n");
   binmode $fh;
   local $/;
   \<$fh>
};

$$raw =~ ...; ## etc.

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In reply to Re^2: slurping styles by BrowserUk
in thread slurping styles by isync

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