scanf(fstr,&b) public

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# File lib/scanf.rb, line 671
  def scanf(fstr,&b)
    if b
      block_scanf(fstr,&b)
    else
      fs = 
        if fstr.is_a? Scanf::FormatString
          fstr 
        else 
          Scanf::FormatString.new(fstr)
        end
      fs.match(self)
    end
  end
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