1 files changed, 22 insertions, 0 deletions
diff --git a/tool/lib/with_different_ofs.rb b/tool/lib/with_different_ofs.rb
new file mode 100644
index 0000000000..559ed6a1d1
--- /dev/null
+++ b/tool/lib/with_different_ofs.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+module DifferentOFS
+  module WithDifferentOFS
+    def setup
+      super
+      verbose, $VERBOSE = $VERBOSE, nil
+      @ofs, $, = $,, "-"
+      $VERBOSE = verbose
+    end
+    def teardown
+      verbose, $VERBOSE = $VERBOSE, nil
+      $, = @ofs
+      $VERBOSE = verbose
+      super
+    end
+  end
+
+  def self.extended(klass)
+    super(klass)
+    klass.const_set(:DifferentOFS, Class.new(klass).class_eval {include WithDifferentOFS}).name
+  end
+end