1 files changed, 56 insertions, 0 deletions
diff --git a/ext/pty/expect_sample.rb b/ext/pty/expect_sample.rb
new file mode 100644
index 0000000000..1311476c5d
--- /dev/null
+++ b/ext/pty/expect_sample.rb
@@ -0,0 +1,56 @@
+#
+# sample program of expect.rb
+#
+#  by A. Ito
+#
+#  This program reports the latest version of ruby interpreter
+#  by connecting to ftp server at netlab.co.jp.
+#
+require 'pty'
+require 'expect'
+
+fnames = []
+PTY.spawn("ftp ftp.netlab.co.jp") do
+  |r_f,w_f,pid|
+  w_f.sync = true
+  
+  $expect_verbose = true
+  
+  r_f.expect(/^Name.*: /) do
+    w_f.print "ftp\n"
+  end
+  
+  if !ENV['USER'].nil?
+    username = ENV['USER']
+  elsif !ENV['LOGNAME'].nil?
+    username = ENV['LOGNAME']
+  else
+    username = 'guest'
+  end
+  
+  r_f.expect('word:') do
+    w_f.print username+"@\n"
+  end
+  r_f.expect("ftp> ") do
+    w_f.print "cd pub/lang/ruby\n"
+  end
+  r_f.expect("ftp> ") do
+    w_f.print "dir\n"
+  end
+  
+  r_f.expect("ftp> ") do |output|
+    for x in output[0].split("\n")
+      if x =~ /(ruby.*\.tar\.gz)/ then
+         fnames.push $1
+      end
+    end
+  end
+  begin
+    w_f.print "quit\n"
+  rescue
+  end
+end
+
+print "The latest ruby interpreter is "
+print fnames.sort.pop
+print "\n"