From 11ac38db4c0a2daacb854ffecc966cffc37b2d2b Mon Sep 17 00:00:00 2001
From: bradyz <brady.zhou@utexas.edu>
Date: Thu, 12 May 2016 12:21:46 -0500
Subject: [PATCH] update readme and makefile

---
 ruby/greedy/Makefile   | 4 ++++
 ruby/greedy/readme.txt | 4 ++++
 ruby/greedy/tsp.rb     | 3 ++-
 3 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 ruby/greedy/Makefile

diff --git a/ruby/greedy/Makefile b/ruby/greedy/Makefile
new file mode 100644
index 0000000..ae7731a
--- /dev/null
+++ b/ruby/greedy/Makefile
@@ -0,0 +1,4 @@
+TSP_FILE_PATH=../../cpp/greedy/a280.tsp 
+
+run:
+	ruby tsp.rb < $(TSP_FILE_PATH)
diff --git a/ruby/greedy/readme.txt b/ruby/greedy/readme.txt
index 1e17834..8dadf78 100644
--- a/ruby/greedy/readme.txt
+++ b/ruby/greedy/readme.txt
@@ -5,3 +5,7 @@ Reads from stdin, output to stdout
 
 usage:
 ruby tsp.rb < a280.tsp
+
+or 
+
+TSP_FILE_PATH="/path/to/data.tsp" make run
diff --git a/ruby/greedy/tsp.rb b/ruby/greedy/tsp.rb
index aa545f0..178d12e 100644
--- a/ruby/greedy/tsp.rb
+++ b/ruby/greedy/tsp.rb
@@ -61,8 +61,9 @@ def main()
     total += Math.sqrt(dist(u, v))
   end
 
-  puts solution.length
+  puts "Path: "
   puts solution
+  puts "Path Cost: "
   puts total
 end