28 lines
665 B
Ruby
Executable file
28 lines
665 B
Ruby
Executable file
#!/usr/bin/ruby
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# frozen_string_literal: true
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require 'date'
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require 'optparse'
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year = Date.today.year
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month = Date.today.month
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week = %w[日 月 火 水 木 金 土]
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opt = OptionParser.new
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opt.on('-m month') { |v| month = v.to_i }
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opt.on('-y year') { |v| year = v.to_i }
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opt.parse(ARGV)
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first_day = Date.new(year, month, 1)
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last_day = Date.new(year, month, -1)
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puts "#{month.to_s.rjust(7)}月\s#{year}"
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puts week.join(' ')
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print "\s\s\s" * first_day.wday
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(first_day..last_day).each do |date|
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day_string = date.day.to_s.rjust(2, "\s")
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day_string = "\e[7m#{day_string}\e[0m" if date == Date.today
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print "#{day_string}\s"
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puts if date.saturday?
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end
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puts
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