old_contents: #!usr/local/bin/python3.3
  '''Loading python3 also loads 3.3 if it is available, so just load 3.3 (or 3.3.3)'''
  
  '''Getting the module'''
  import os
  import sys
  import re
  import subprocess
  from os import listdir
  from os.path import isfile, join
  
  fileLst = []
  dictLink = {}
  lenArgv = len(sys.argv)
  
  if lenArgv == 1:
      sys.exit("TraceLink.py Synopsis:\npython3.3 tracelink.py [dir]\npython3.3 tracelink.py [opition] [dir]\n\nCommand line option:\n-r, recursion is enable.\n")
  
  elif 2 <= lenArgv <= 3:
      if sys.argv[1] == '-r':
          if lenArgv < 3:
              sys.exit("Full path of directory was not provide.")
  
          elif os.path.isdir(sys.argv[2]):
              directory = os.path.abspath(sys.argv[2])
              for dirName, subdirlist, fileName in os.walk(directory): #Walking through the directory and store full path
                  for name in fileName:
                      lst= dirName + "/" + name
                      fileLst.append(lst)
  
      elif os.path.isdir(sys.argv[1]):
          directory = os.path.abspath(sys.argv[1])
          for fileName in listdir(directory): #Find all the file at current directory
              tmpPath = join(directory,fileName)  #add the filename to the full path
              if isfile(tmpPath):
                  fileLst.append(tmpPath)
      else:
          sys.exit("Invalid formatting")
  
  if len(fileLst) == 0:   #Empty list terminate the program
          sys.exit("Current path have no files")
  
  # Extract distinct (unique) download history locations via the terminal
  downloadHistory = os.popen("sqlite3 ~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV* 'select distinct LSQuarantineDataURLString from LSQuarantineEvent'").read()
  
  for fname in fileLst:       
      #Use mdls and grep for the url
      proc1 = subprocess.Popen(["mdls", fname], stdout =subprocess.PIPE)
      proc2 = subprocess.Popen(["grep", "http"], stdin=proc1.stdout, stdout=subprocess.PIPE)
      url = str(proc2.communicate()[0])
  
      if url == "b\'\'": #if there is no url
          dictLink[fname] = "Can't determine the source of the website"
      else:
          link = url.split("\"")[1]
          histList = downloadHistory.split("\n")
          for dlink in histList:
                  if link == dlink:
                          print("The file " + fname + " was found on this system with the download link " + link + " and was downloaded on this system.\n")
  
new_contents: #!usr/local/bin/python3.3
  '''Loading python3 also loads 3.3 if it is available, so just load 3.3 (or 3.3.3)'''
  
  '''Getting the module'''
  import os
  import sys
  import re
  import subprocess
  from os import listdir
  from os.path import isfile, join
  
  fileLst = []
  dictLink = {}
  lenArgv = len(sys.argv)
  
  '''Checking the argument on the command line'''
  if lenArgv == 1:
      sys.exit("TraceLink.py Synopsis:\npython3.3 tracelink.py [dir]\npython3.3 tracelink.py [opition] [dir]\n\nCommand line option:\n-r, recursion is enable.\n")
  
  elif 2 <= lenArgv <= 3:
      if sys.argv[1] == '-r': #check for recursion option
          if lenArgv < 3: #If there is a path
              sys.exit("Path of directory was not provide.")
  
          elif os.path.isdir(sys.argv[2]): #check if it is a directory
              directory = os.path.abspath(sys.argv[2]) #change path to full path
              for dirName, subdirlist, fileName in os.walk(directory): #Walking through the directory and store full path
                  for name in fileName:
                      lst= dirName + "/" + name
                      fileLst.append(lst)
  
      elif os.path.isdir(sys.argv[1]):
          directory = os.path.abspath(sys.argv[1])
          for fileName in listdir(directory): #Find all the file at current directory
              tmpPath = join(directory,fileName)  #add the filename to the full path
              if isfile(tmpPath):
                  fileLst.append(tmpPath)
      else:
          sys.exit("Invalid formatting")
  
  if len(fileLst) == 0:   #Empty list terminate the program
          sys.exit("Current path have no files")
  
  # Extract distinct (unique) download history locations via the terminal
  downloadHistory = os.popen("sqlite3 ~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV* 'select distinct LSQuarantineDataURLString from LSQuarantineEvent'").read()
  
  for fname in fileLst:       
      #Use mdls and grep for the url
      proc1 = subprocess.Popen(["mdls", fname], stdout =subprocess.PIPE)
      proc2 = subprocess.Popen(["grep", "http"], stdin=proc1.stdout, stdout=subprocess.PIPE)
      url = str(proc2.communicate()[0])
  
      if url == "b\'\'": #if there is no url
          dictLink[fname] = "Can't determine the source of the website"
      else:
          link = url.split("\"")[1]
          histList = downloadHistory.split("\n")
          for dlink in histList:
                  if link == dlink:
                          print("The file " + fname + " was found on this system with the download link " + link + " and was downloaded on this system.\n")
  
subject: Update TraceLink.py