diff --git a/ex15.rb b/ex15.rb
new file mode 100644
index 0000000..5be6005
--- /dev/null
+++ b/ex15.rb
@@ -0,0 +1,15 @@
+filename = ARGV.first
+
+prompt = "> "
+txt = File.open(filename)
+
+puts "Here's your file: #{filename}"
+puts txt.read()
+
+puts "I'll also ask you to type it again:"
+print prompt
+file_again = STDIN.gets.chomp()
+
+txt_again = File.open(file_again)
+
+puts txt_again.read()
diff --git a/ex15_sample.txt b/ex15_sample.txt
new file mode 100644
index 0000000..f4a96d5
--- /dev/null
+++ b/ex15_sample.txt
@@ -0,0 +1,3 @@
+This is stuff I typed into a file.
+It is really cool stuff.
+Lots and lots of fun to have in here.