29 lines
607 B
Ruby
Executable file
29 lines
607 B
Ruby
Executable file
#!/usr/bin/ruby
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require 'date'
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require 'optparse'
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optmonth = ARGV.getopts('m:')
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optyear = ARGV.getopts('y:')
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# opt = OptionParser.new
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# opt.on('-m')
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# opt.on('-y')
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# opt.parse!
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year = Date.today.year
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month = Date.today.month
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startwday = Date.new(year, month, 1).wday # その月の最初の曜日
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enddate = Date.new(year, month, -1).day # その月の最後の曜日
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week = %w[日 月 火 水 木 金 土]
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puts "\t#{month}月 #{year}"
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puts week.join(' ')
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print ' ' * startwday
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days = startwday
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(1..enddate).each do |day|
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print day.to_s.rjust(2) + ' '
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days += 1
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print "\n" if days % 7 == 0
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end
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