1 files changed, 12 insertions, 0 deletions
diff --git a/subtract b/subtract
new file mode 100755
index 0000000..ecd6c11
--- /dev/null
+++ b/subtract
@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+
+require "zipf"
+
+f = ReadFile.new ARGV[0]
+g = ReadFile.new ARGV[1]
+
+while line1 = f.gets
+  line2 = g.gets
+  d = line1.to_f - line2.to_f
+  puts d
+end