diff --git a/ex15-ec.rb b/ex15-ec.rb
new file mode 100644
index 0000000..a111ec9
--- /dev/null
+++ b/ex15-ec.rb
@@ -0,0 +1,18 @@
+filename = ARGV.first
+
+prompt = "> "
+txt = File.new(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.new(file_again)
+
+puts txt_again.read
+
+txt.close
+txt_again.close