If you use Text::CSV_XS, you can handle those characters if you turn on the 'binary' option, like this:

use Text::CSV_XS;
$csv = Text::CSV->new({binary => 1});
...
$csv->parse($_);
@fields = $csv->fields();
[download]

Really nifty if you have to parse a CSV file with French text with accented characters and newlines in it...