"""
Prints the number of duplicate songs in itunes, then prints a list of duplicated songs. A "duplicate song" means multiple references to the same sound file in iTunes.

USAGE: python duplicates.txt <path/to/your/itunes/iTunes Music Library.xml>

the argument is your iTunes music library XML file. typically, this is whereever you have iTunes installed. for example, mine is:
/Users/paulsanwald/Music/iTunes/iTunes Music Library.xml
"""
import codecs
import sys

if __name__ == '__main__':
    file = codecs.open(sys.argv[1],"r","utf-8")
    # find all the duplicate filenames in itunes.
    files = []
    duplicates = []
    for line in file:
        if line.find("file:") != -1:
            start = line.find("<string>") + len("<string>")
            end = line.find("</string>")
            fileName = line[start:end]
            if fileName in files:
                duplicates.append(fileName)
            else:
                files.append(fileName)
    print ("total songs: ",len(files))
    print ("number of duplicates:",len(duplicates))
    print (duplicates)
    file.close()