import os
import sys

foundfilenames = []
printednames = []
duplicatefiles = []

def isfilefound( filename ):
   global foundfilenames
   for name in foundfilenames:
      if name == filename:
         return True
   return False

def isfileprinted( filename ):
   global printednames
   for name in printednames:
      if name == filename:
         return True
   return False

input( "This program will find all your duplicate files in a specified folder which you have told it to search. Press enter to begin!" )
print( "***Never run this program on the partition which you have Windows installed on***" )
print( "--------------------------------" )
directory = input( "Which directory? : " )
print( "--------------------------------" )
whichfile = input( "Where would you like to save the duplicates-list document? (name full path + *.txt) : " )
writefile = open(( whichfile ), 'w' )
writefile.write( "These are the duplicates found in your specified path.\r\n\r\n" )

for root, dirs, files in os.walk(directory):
   for name in files:
      filename = os.path.join(root, name)
      if isfilefound( name ):
         if not isfileprinted( name ):
            writefile.write( name + '\r\n' )
            printednames.append( name )
         duplicatefiles.append( filename )
      else:
         foundfilenames.append( name )

writefile.close()

for filename in duplicatefiles:
   if filename.count() > 0:
      writefile = open(( whichfile ), 'r' )
      readfile = writefile.read()
      print( readfile )
      print( "--------------------------------" )
      question = input( "Would you like to remove the duplicates? (yes/no) : ")
      print( "--------------------------------" )
      if question == 'yes':
         for filename in duplicatefiles:
            os.remove( filename )
      else:
         print( "Duplicates will not be removed. Check the document where you chose to save the list of duplicates" )
   else:
      break
writefile.close()

#if len( duplicatefiles ) == 0: