* Add test script

* Rename cont to windex
* Add optparse options

client.rb

@@ -2,9 +2,30 @@
 
 require 'socket'
 require 'io/console'
+require 'optparse'
 
-HOST = 'localhost'
-PORT = 6789
+options = {
+  :port => 7570,
+  :host => 'localhost'
+}
+OptionParser.new do |opt|
+  opt.on('-pPORT', '--port PORT', Integer,
+      'Port to connect to (defaults to 7570)') do |o|
+    options[:port] = o
+  end
+  opt.on('-HHOST', '--host HOST', String,
+        'Host to connect to (defaults to `localhost`)') do |o|
+    options[:host] = o
+  end
+  opt.on('-h', '--help', 'Get help with this command') do
+    puts opt
+    exit
+  end
+end.parse!(into: options)
+
+HOST = options[:host]
+PORT = options[:port]
+#PORT = 6789
 VERSION = 0.01
 
 socket = TCPSocket.new(HOST, PORT)
@@ -12,25 +33,31 @@ socket = TCPSocket.new(HOST, PORT)
 puts "PORT: #{PORT}"
 puts "HOST: #{HOST}"
 
-#reader = Thread.new do
-Thread.new do
-  loop do
-    msg = socket.gets
-    exit 0 unless msg
-    ver, msg = msg.split('|',2)
-    next unless ver.to_f <= VERSION
-    next unless msg != nil
-    # In message version 0.01 and lower,
-    # all messages are in an assumed format...
-    row,col,chars = msg.split('|',3)
-    print "\x1b[#{row};#{col}H#{chars}\x1b[A"
-  end
-end
+begin
+  print "\x1b[?1049h\x1b[2J\x1b[3J" # Open and clear alternate buffer
 
-while (char = STDIN.noecho(&:getch))
-  exit unless char != "\x03" # ^C
-  exit unless char != "\x04" # ^D
-  next unless char.ord >= 0x20 # Non printing
-  next unless char.ord != 0x7F # DEL (Non print)
-  socket.puts "#{VERSION}|#{char}"
+  #reader = Thread.new do
+  Thread.new do
+    loop do
+      msg = socket.gets
+      exit 0 unless msg
+      ver, msg = msg.split('|',2)
+      next unless ver.to_f <= VERSION
+      next unless msg != nil
+      # In message version 0.01 and lower,
+      # all messages are in an assumed format...
+      row,col,chars = msg.split('|',3)
+      print "\x1b[#{row};#{col}H#{chars}\x1b[A"
+    end
+  end
+
+  while (char = STDIN.noecho(&:getch))
+    exit unless char != "\x03" # ^C
+    exit unless char != "\x04" # ^D
+    next unless char.ord >= 0x20 # Non printing
+    next unless char.ord != 0x7F # DEL (Non print)
+    socket.puts "#{VERSION}|#{char}"
+  end
+ensure
+  print "\x1b[?1049l" # Back to regular buffer
 end