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ihower/gist:36968

Created December 17, 2008 06:39
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your exact age
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gistfile1.rb
today = Date.today
birthday = Date.new(1986, 12,31)
overflow = ( today.month > birthday.month ||
( today.month == birthday.month && today.day >= birthday.day )
)? 0 : 1
age = today.year.to_i - birthday.year.to_i - overflow
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