32 class Time 33 def pretty 34 self.strftime("%Y/%m/%d(%a) %H:%M").sub!(/\((\w+)\)/) do 35 { 36 "Sun" => "日", 37 "Mon" => "月", 38 "Tue" => "火", 39 "Wed" => "水", 40 "Thu" => "木", 41 "Fri" => "金", 42 "Sat" => "土", 43 }[$1].instance_ev…