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-rw-r--r--ext/tk/sample/tcltklib/lines1.rb1
-rw-r--r--ext/tk/sample/tcltklib/lines2.rb1
-rw-r--r--ext/tk/sample/tcltklib/lines3.rb1
-rw-r--r--ext/tk/sample/tcltklib/lines4.rb1
-rw-r--r--ext/tk/sample/tcltklib/safeTk.rb1
-rw-r--r--ext/tk/sample/tcltklib/sample0.rb1
-rw-r--r--ext/tk/sample/tcltklib/sample1.rb1
-rw-r--r--ext/tk/sample/tcltklib/sample2.rb1
8 files changed, 8 insertions, 0 deletions
diff --git a/ext/tk/sample/tcltklib/lines1.rb b/ext/tk/sample/tcltklib/lines1.rb
index 9f21ae6377..57e3d33f6f 100644
--- a/ext/tk/sample/tcltklib/lines1.rb
+++ b/ext/tk/sample/tcltklib/lines1.rb
@@ -1,4 +1,5 @@
#! /usr/local/bin/ruby
+# frozen_string_literal: false
require "tcltk"
diff --git a/ext/tk/sample/tcltklib/lines2.rb b/ext/tk/sample/tcltklib/lines2.rb
index e459589f50..7ae54d9ea9 100644
--- a/ext/tk/sample/tcltklib/lines2.rb
+++ b/ext/tk/sample/tcltklib/lines2.rb
@@ -1,4 +1,5 @@
#! /usr/local/bin/ruby
+# frozen_string_literal: false
require "tk"
diff --git a/ext/tk/sample/tcltklib/lines3.rb b/ext/tk/sample/tcltklib/lines3.rb
index caa50f92e7..d79bb12ef3 100644
--- a/ext/tk/sample/tcltklib/lines3.rb
+++ b/ext/tk/sample/tcltklib/lines3.rb
@@ -1,4 +1,5 @@
#! /usr/local/bin/ruby
+# frozen_string_literal: false
require "tk"
diff --git a/ext/tk/sample/tcltklib/lines4.rb b/ext/tk/sample/tcltklib/lines4.rb
index 7a1175bce0..37ffc0ee74 100644
--- a/ext/tk/sample/tcltklib/lines4.rb
+++ b/ext/tk/sample/tcltklib/lines4.rb
@@ -1,4 +1,5 @@
#! /usr/local/bin/ruby
+# frozen_string_literal: false
require "tk"
diff --git a/ext/tk/sample/tcltklib/safeTk.rb b/ext/tk/sample/tcltklib/safeTk.rb
index 5d2c60e700..5fac9e2e23 100644
--- a/ext/tk/sample/tcltklib/safeTk.rb
+++ b/ext/tk/sample/tcltklib/safeTk.rb
@@ -1,4 +1,5 @@
#!/usr/bin/env ruby
+# frozen_string_literal: false
require 'tcltklib'
master = TclTkIp.new
diff --git a/ext/tk/sample/tcltklib/sample0.rb b/ext/tk/sample/tcltklib/sample0.rb
index 0ac303ae9e..0cc2de4878 100644
--- a/ext/tk/sample/tcltklib/sample0.rb
+++ b/ext/tk/sample/tcltklib/sample0.rb
@@ -1,4 +1,5 @@
#! /usr/local/bin/ruby -vd
+# frozen_string_literal: false
# tcltklib ライブラリのテスト
diff --git a/ext/tk/sample/tcltklib/sample1.rb b/ext/tk/sample/tcltklib/sample1.rb
index 3235edfe0d..b4ad6436bd 100644
--- a/ext/tk/sample/tcltklib/sample1.rb
+++ b/ext/tk/sample/tcltklib/sample1.rb
@@ -1,5 +1,6 @@
#! /usr/local/bin/ruby -d
# -*- encoding: utf-8 -*-
+# frozen_string_literal: false
# -d オプションを付けると, デバッグ情報を表示する.
# tcltk ライブラリのサンプル
diff --git a/ext/tk/sample/tcltklib/sample2.rb b/ext/tk/sample/tcltklib/sample2.rb
index 1acc180680..378c2d3eb7 100644
--- a/ext/tk/sample/tcltklib/sample2.rb
+++ b/ext/tk/sample/tcltklib/sample2.rb
@@ -1,4 +1,5 @@
#!/usr/local/bin/ruby
+# frozen_string_literal: false
#----------------------> pretty simple othello game <-----------------------
# othello.rb
#