challenge_years_months.rb

challenge_years_months.rb

#!/usr/bin/env ruby
# encoding: UTF-8

TIME_ZERO    = Time.gm(0)
ages_to_test = [979000000, 2158493738, 246144023, 1270166272, 1025600095]

def seconds_to_dt (seconds = 0) # Give it a sane default
    age = TIME_ZERO + seconds.to_i
end

def say_age (age = 0) # Give it a sane default
    age_as_dt = seconds_to_dt(age)
    
    years = age_as_dt.strftime('%Y') # May be more than 100, so trip leading 0's.
    years.gsub!(/^0+/, '')

    months = age_as_dt.strftime('%m')
    months.gsub!(/^0/, '') # same as for year...

    years_text  = years  == '1' ? 'year'  : 'years'
    months_text = months == '1' ? 'month' : 'months' 

    puts "I am #{years} #{years_text} and #{months} #{months_text} old"
end

ages_to_test.each do |age_in_seconds|
    say_age age_in_seconds
end