1 files changed, 19 insertions, 0 deletions
diff --git a/challenge-272/roger-bell-west/ruby/ch-1.rb b/challenge-272/roger-bell-west/ruby/ch-1.rb
new file mode 100755
index 0000000000..82152f9fd3
--- /dev/null
+++ b/challenge-272/roger-bell-west/ruby/ch-1.rb
@@ -0,0 +1,19 @@
+#! /usr/bin/ruby
+
+def defrangip(a)
+  return a.gsub(".", "[.]")
+end
+
+require 'test/unit'
+
+class TestDefrangip < Test::Unit::TestCase
+
+  def test_ex1
+    assert_equal('1[.]1[.]1[.]1', defrangip('1.1.1.1'))
+  end
+
+  def test_ex2
+    assert_equal('255[.]101[.]1[.]0', defrangip('255.101.1.0'))
+  end
+
+end