text: import re
  import os
  import sys
  import glob
  import time
  import shutil
  import subprocess
  import multiprocessing
  
  def img_process (ind, pixels):
      data_file = open('./anim/' + str(ind) + '.txt', 'w+')
      
      cmd = '~/step255-2020/build/thumbnailer_compare ./thumbnailer_gen/' + str(ind) + '.txt'
      
      run_cmd = subprocess.run(cmd, shell=True, capture_output=True)
      res = str(run_cmd.stderr).replace('b','')
      res = res.replace('"','')
      ok = False
      s = ''
      for k in res:
          if (k == '\\'):
              ok = True
          else:
              if (k == 'n' and ok == True):
                  ok = False
                  data_file.write(s + '\n')
                  s = ''
              else:
                  s = s + k
      cmd = '~/step255-2020/build/thumbnailer ./thumbnailer_gen/' + str(ind) + '.txt ' + './results/' + str(ind) + 'lossy.webp'
      #print(cmd)
      run_cmd = subprocess.run(cmd, shell=True, capture_output=True)
  
      cmd = '~/step255-2020/build/thumbnailer ./thumbnailer_gen/' + str(ind) + '.txt ' + './results/' + str(ind) + 'slope.webp slope_optimization'
      #print(cmd)
      run_cmd = subprocess.run(cmd, shell=True, capture_output=True)
      print('Done ' + str(ind))
  
  def main():
      start_time = time.time()
      pixels = 180*320
      pool = multiprocessing.Pool(multiprocessing.cpu_count())
      res = pool.starmap(img_process, [(ind, pixels) for ind in range(1,100)])
      pool.close()
  
      print("Done !!!")
      print("--- %s seconds ---" % (time.time() - start_time))
  
  if __name__ == "__main__":
      main()