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  1. or download this
    >perl -MScalar::Util="looks_like_number" -we "print 'WTF' if looks_lik
+e_number('0xa.8');"

>
  2. or download this
    >perl -MMath::MPFR -wle "print Math::MPFR->new('0xa.8');"
1.05e1

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