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| #!/usr/bin/env ruby | |
| if ARGV.length != 3 | |
| puts 'Need 3 arguments' | |
| puts ' calculate-email-distribution INITIAL_SIZE STEP AMOUNT' | |
| puts 'e.g.' | |
| puts ' calculate-email-distribution 100 20 65000' | |
| exit 0 | |
| end | |
| initialSize = ARGV[0].to_i | |
| step = ARGV[1].to_i | |
| amount = ARGV[2].to_i | |
| header = "Time\tEmails\tTotal\n" | |
| puts header | |
| a = [initialSize] | |
| total = 0 | |
| i = 0 | |
| loop do | |
| a.push(a[i] + step) | |
| break if a.inject(0) {|sum, n| sum + n} >= amount | |
| i += 1 | |
| end | |
| sum = 0 | |
| a.length.times do |i| | |
| sum += a[i] | |
| hour = (i + 12) % 24 | |
| puts "#{hour}\t#{a[i]}\t#{sum}" | |
| puts "\n#{header}" if hour == 23 | |
| end | |
| # summary | |
| daysItTakes = a.length / 24 | |
| hoursItTakes = a.length % 24 | |
| if daysItTakes > 0 | |
| puts "It takes #{daysItTakes} day(s) and #{hoursItTakes} hour(s)." | |
| else | |
| puts "It takes #{hoursItTakes} hour(s)." | |
| end |
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