new_contents: import argparse
  import os
  import sys
  import shutil
  
  class bcolors:
      HEADER = '\033[95m'
      OKBLUE = '\033[94m'
      OKGREEN = '\033[92m'
      WARNING = '\033[93m'
      FAIL = '\033[91m'
      ENDC = '\033[0m'
      BOLD = '\033[1m'
      UNDERLINE = '\033[4m'
  
  parser = argparse.ArgumentParser(description='Merge the contents of multiple directories in sequence in order to prevent file naming conflicts.')
  parser.add_argument('-d','--directories', nargs='+', help='Absolute paths of directories to merge in sequence', required=True)
  parser.add_argument('-o','--out_dir_path', nargs='?', type=str, help='Absolte path to output dir name. i.e. /PATH/TO/OUTPUT/DIR/DIR_NAME', required=False, default='out')
  args = parser.parse_args()
  
  def copy_rename(old_file_name, new_file_name):
          src_dir= os.curdir
          dst_dir= os.path.join(os.curdir , "subfolder")
          src_file = os.path.join(src_dir, old_file_name)
          shutil.copy(src_file,dst_dir)
  
          dst_file = os.path.join(dst_dir, old_file_name)
          new_dst_file_name = os.path.join(dst_dir, new_file_name)
          os.rename(dst_file, new_dst_file_name)
  
  
  if __name__=="__main__":
  
      out_dir_path = args.out_dir_path
  
      for dir in args.directories:
          if not os.path.exists(dir):
              print(bcolors.FAIL + "Directory [" + dir + "] does not exist. Please check supplied path." + bcolors.ENDC)
              sys.exit()
  
  
      if not os.path.exists(out_dir_path):
          os.mkdir(out_dir_path)
  
      padding = len(str(sum([len(os.listdir(dir)) for dir in args.directories])))
  
      # cycle through directories
      i = 0
      for dir in args.directories:
          files = os.listdir(dir)
          print(bcolors.OKBLUE + "Merging " + str(len(files)) + " from " + dir)
          # cycle through files within directory
          for file in files:
              src_file = os.path.join(dir, file)
              shutil.copy(src_file, out_dir_path)
  
              dst_file = os.path.join(out_dir_path, file)
              extension = os.path.splitext(file)[1]
              new_dst_file_name = os.path.join(out_dir_path, format(i, '0' + str(padding)) + extension)
              os.rename(dst_file, new_dst_file_name)
              i+=1
  
subject: add script to merge camera directories