class Fixnum alias sailcat_to_s to_s unless method_defined?(:sailcat_to_s) def to_s(base = 10) if base != 10 or self.abs < 1000 sailcat_to_s(base) else value = sailcat_to_s digit = (value.length - (self > 0 ? 1 : 2)) / 3 1.upto(digit) do |i| value.insert(value.length - i * 4 + 1, ",") end return value end end end
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