From 0e01d2883bfffd8335c8d3391e3d5a79c24aeb13 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 11 Dec 2004 04:09:07 +0000
Subject: [PATCH] * sample/optparse/subcommand.rb: a sample for sub commands
 like   cvs.  contributed by Minero Aoki.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog                     |  5 +++++
 sample/optparse/subcommand.rb | 19 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100755 sample/optparse/subcommand.rb

diff --git a/ChangeLog b/ChangeLog
index e51f07a797..d94dc380aa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Dec 11 13:08:28 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* sample/optparse/subcommand.rb: a sample for sub commands like
+	  cvs.  contributed by Minero Aoki.
+
 Fri Dec 10 08:39:48 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/socket/socket.c (sock_listen): get OpenFile just before calling
diff --git a/sample/optparse/subcommand.rb b/sample/optparse/subcommand.rb
new file mode 100755
index 0000000000..21c42dd60a
--- /dev/null
+++ b/sample/optparse/subcommand.rb
@@ -0,0 +1,19 @@
+#! /usr/bin/ruby
+# contributed by Minero Aoki.
+
+require 'optparse'
+
+parser = OptionParser.new
+parser.on('-i') { puts "-i" }
+parser.on('-o') { puts '-o' }
+
+subparsers = Hash.new {|h,k|
+  $stderr.puts "no such subcommand: #{k}"
+  exit 1
+}
+subparsers['add'] = OptionParser.new.on('-i') { puts "add -i" }
+subparsers['del'] = OptionParser.new.on('-i') { puts "del -i" }
+subparsers['list'] = OptionParser.new.on('-i') { puts "list -i" }
+
+parser.order!(ARGV)
+subparsers[ARGV.shift].parse!(ARGV) unless ARGV.empty?