満年齢早見表
満年齢早見表 rubyです。どうでしょう? require 'date' this_year = Date.today.year def wareki(y) nengo_eiji_kanji = { 'M' => '明治', 'T' => '大正', 'S' => '昭和', 'H' => '平成', 'R' => '令和'} # 大晦日現在の年号を得る input = Date.new(y,12,31).jisx0301 input = input.split(".") # ["R06", "12", "31"] nengo = input[0].split(//) # ["R", "0", "6"] nengo[0] = nengo_eiji_kanji[nengo[0]] nengo = nengo.join end def eto(y) eto = '子丑寅兎辰巳午未申酉戌亥'.split(//) eto = eto[y.modulo(12)-4] end 120.times do |i| year = this_year - i # printf("%3d年前\t", i) # puts "#{year}年\t#{wareki(year)}年" # printf("%s年(%s) %d年 %3d歳\n" ,wareki(year), eto(year), year, i) printf("%d年 %s年(%s) %3d歳\n" ,year, wareki(year), eto(year), i) end