More generic call to environment Ruby.

square · Nov 16, 2011 · fd1c36c · fd1c36c
1 parent 6731c1c
commit fd1c36c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/luhny.rb b/luhny.rb
@@ -1,9 +1,9 @@
-#!/usr/local/bin/ruby
+#!/usr/bin/env ruby
 
 def test_it s
   a = a.is_a?(String) ? s.scan(/\d/) : s
   a = a.map{|ns| ns.to_i }
-  i = a.length - 2;
+  i = a.length - 2
   n = 0
   while i >= 0 do
     n = a[i] * 2