From fb7ee36275030fc7d9b53726e15c03ab418af9f5 Mon Sep 17 00:00:00 2001
From: Rikuoh <mail@riq0h.jp>
Date: Fri, 8 Mar 2024 22:33:32 +0900
Subject: [PATCH] =?UTF-8?q?=E3=81=B2=E3=81=A8=E3=81=BE=E3=81=9A=E5=AE=8C?=
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---
 cal.rb | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/cal.rb b/cal.rb
index 0ba865e..e9de621 100755
--- a/cal.rb
+++ b/cal.rb
@@ -3,21 +3,19 @@
 require 'date'
 require 'optparse'
 
-optmonth = ARGV.getopts('m:')
-optyear = ARGV.getopts('y:')
-
-# opt = OptionParser.new
-# opt.on('-m')
-# opt.on('-y')
-# opt.parse!
-
 year = Date.today.year
 month = Date.today.month
+
+opt = OptionParser.new
+opt.on('-m int') { |v| month = v.to_i }
+opt.on('-y int') { |v| year = v.to_i }
+opt.parse!(ARGV)
+
 startwday = Date.new(year, month, 1).wday # その月の最初の曜日
 enddate = Date.new(year, month, -1).day # その月の最後の曜日
 week = %w[日 月 火 水 木 金 土]
 
-puts "\t#{month}月 #{year}"
+puts month.to_s.rjust(8) + '月 ' + year.to_s
 puts week.join(' ')
 print '   ' * startwday