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theHamdiz/fridays the 13ths.rb

Last active May 4, 2016 06:29
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Get all fridays the 13ths from now on...
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fridays the 13ths.rb
require 'date'
lazy_dates = (Date.today..Date.new(9999)).lazy
fridays_the_13th = lazy_dates.select { |d| d.friday? and d.day == 13 }.first(10)
puts fridays_the_13th
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