script that detects duplicate files

list_duplicate_files.py

@@ -0,0 +1,30 @@
+#! /usr/bin/python2.7
+
+import os
+import os.path
+from sys import argv
+
+extension = 'mp3'
+mp3 = []
+
+def confirm(arg, directory, files):
+    for File in files:
+        if len(File.split('.')) == 2:
+            if File.split('.')[1] == extension:
+                mp3.append(os.path.join(directory, File))
+
+os.path.walk('/media/E', confirm, None)
+cmd = 'md5sum'
+md5sums = []
+for song in mp3:
+    c = list(song)
+    c.insert(0,'"')
+    c.append('"')
+    c = ''.join(c)
+    try:
+        fp = os.popen(cmd + ' ' + c)
+        md5sums.append(fp.read())
+    except:
+        print "error"
+
+print len(md5sums), '   ', len(mp3)