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samstokes/ip2int.rb

Created November 9, 2010 12:19
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Converts an IP address from 'dotted string' representation to a 32-bit integer.
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ip2int.rb
def ip2int(dotted)
dotted.split('.').map(&:to_i).
zip([24, 16, 8, 0]).
inject(0) do |s, (segment, shift)|
s + (segment << shift)
end
end
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