From 65a5162550f58047974793cdc8067a970b2435c0 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 13 Aug 1999 05:45:20 +0000
Subject: 1.4.0

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@520 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 sample/cal.rb | 119 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 sample/cal.rb

(limited to 'sample/cal.rb')

diff --git a/sample/cal.rb b/sample/cal.rb
new file mode 100644
index 0000000000..cf82c6421c
--- /dev/null
+++ b/sample/cal.rb
@@ -0,0 +1,119 @@
+#! /usr/local/bin/ruby
+
+# cal.rb: Written by Tadayoshi Funaba 1998, 1999
+# $Id: cal.rb,v 1.5 1999/08/04 14:54:18 tadf Exp $
+
+require 'date2'
+
+$tab =
+{
+  'cn' => true,    # China
+  'de' => 2342032, # Germany (protestant states)
+  'dk' => 2342032, # Denmark
+  'es' => 2299161, # Spain
+  'fi' => 2361390, # Finland
+  'fr' => 2299227, # France
+  'gb' => 2361222, # United Kingdom
+  'gr' => 2423868, # Greece
+  'hu' => 2301004, # Hungary
+  'it' => 2299161, # Italy
+  'jp' => true,    # Japan
+  'no' => 2342032, # Norway
+  'pl' => 2299161, # Poland
+  'pt' => 2299161, # Portugal
+  'ru' => 2421639, # Russia
+  'se' => 2361390, # Sweden
+  'us' => 2361222, # United States
+  'os' => false,   # (old style)
+  'ns' => true     # (new style)
+}
+
+$cc = 'gb'
+
+def usage
+  $stderr.puts 'usage: cal [-c iso3166] [-jy] [[month] year]'
+  exit 1
+end
+
+def cal(m, y, sg)
+  for d in 1..31
+    break if jd = Date.exist?(y, m, d, sg)
+  end
+  fst = cur = Date.new(jd, sg)
+  ti = Date::MONTHNAMES[m]
+  ti << ' ' << y.to_s unless $yr
+  mo = ti.center((($w + 1) * 7) - 1) << "\n"
+  mo << ['S', 'M', 'Tu', 'W', 'Th', 'F', 'S'].
+    collect{|x| x.rjust($w)}.join(' ') << "\n"
+  mo << ' ' * (($w + 1) * fst.wday)
+  while cur.mon == fst.mon
+    mo << (if $jd then cur.yday else cur.mday end).to_s.rjust($w)
+    mo << (if (cur += 1).wday != 0 then "\s" else "\n" end)
+  end
+  mo << "\n" * (6 - ((fst.wday + (cur - fst)) / 7))
+  mo
+end
+
+def zip(xs)
+  yr = ''
+  until xs.empty?
+    ln = (if $jd then l,    r, *xs = xs; [l,    r]
+		 else l, c, r, *xs = xs; [l, c, r] end).
+      collect{|x| x.split(/\n/no, -1)}
+    8.times do
+      yr << ln.collect{|x|
+	x.shift.ljust((($w + 1) * 7) - 1)}.join('  ') << "\n"
+    end
+  end
+  yr
+end
+
+while /^-([^-].*)$/no =~ $*[0]
+  a = $1
+  if /^c(.+)?$/no =~ a
+    if $1
+      $cc = $1.downcase
+    elsif $*.length >= 2
+      $cc = $*[1].downcase
+      $*.shift
+    else
+      usage
+    end
+  else
+    a.scan(/./no) do |c|
+      case c
+      when 'j'; $jd = true
+      when 'y'; $yr = true
+      else usage
+      end
+    end
+  end
+  $*.shift
+end
+$*.shift if /^--/no =~ $*[0]
+usage if (sg = $tab[$cc]).nil?
+case $*.length
+when 0
+  td = Date.today
+  m = td.mon
+  y = td.year
+when 1
+  y = $*[0].to_i
+  $yr = true
+when 2
+  m = $*[0].to_i
+  y = $*[1].to_i
+else
+  usage
+end
+usage unless m.nil? or (1..12) === m
+usage unless y >= -4712
+$w = if $jd then 3 else 2 end
+unless $yr
+  print cal(m, y, sg)
+else
+  print y.to_s.center(((($w + 1) * 7) - 1) *
+		      (if $jd then 2 else 3 end) +
+		      (if $jd then 2 else 4 end)), "\n\n",
+    zip((1..12).collect{|m| cal(m, y, sg)}), "\n"
+end
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