2 files changed, 13 insertions, 3 deletions
diff --git a/sample/pty/expect_sample.rb b/sample/pty/expect_sample.rb
index 2f87f21895..199d98b79c 100644
--- a/sample/pty/expect_sample.rb
+++ b/sample/pty/expect_sample.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 #
 # sample program of expect.rb
 #
@@ -23,8 +24,17 @@ PTY.spawn("ftp ftp.ruby-lang.org") do |r_f,w_f,pid|
     username = 'guest'
   end
 
-  r_f.expect(/^(Name).*: |(word):|> /) do
-    w_f.puts($1 ? "ftp" : $2 ? "#{username}@" : "cd pub/ruby")
+  r_f.expect(/^Name.*: /) do
+    w_f.puts("ftp")
+  end
+  r_f.expect(/word:/) do
+    w_f.puts("#{username}@")
+  end
+  r_f.expect(/> /) do
+    w_f.puts("cd pub/ruby")
+  end
+  r_f.expect("> ") do
+    w_f.print "pass\n"
   end
   r_f.expect("> ") do
     w_f.print "dir\n"
diff --git a/sample/pty/script.rb b/sample/pty/script.rb
index 903a6f75bd..c6659a4807 100644
--- a/sample/pty/script.rb
+++ b/sample/pty/script.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'pty'
 
 if ARGV.size == 0 then
@@ -34,4 +35,3 @@ PTY.spawn("/bin/csh") do |r_pty,w_pty,pid|
 end
 
 system "stty echo -raw lnext ^v"
-