1 files changed, 24 insertions, 0 deletions
diff --git a/dup b/dup
new file mode 100755
index 0000000..3809c16
--- /dev/null
+++ b/dup
@@ -0,0 +1,24 @@
+#!/usr/bin/env ruby
+
+
+dir = ARGV[0]
+a = `find #{dir} -type f`.split "\n"
+
+h = {}
+a.each { |fn|
+  md5 = `md5sum "#{fn}" | cut -d " " -f1`
+  if h.has_key? md5
+    h[md5] << fn
+  else
+    h[md5] = [fn]
+  end
+}
+
+h.each { |k,v|
+  if v.size > 1
+    puts k
+    v.each { |i| puts "\t#{i}" }
+    puts
+  end
+}
+