diff --git a/snusub.py b/snusub.py
new file mode 100644
index 0000000..02ecad8
--- /dev/null
+++ b/snusub.py
@@ -0,0 +1,391 @@
+#!/usr/bin/env python3
+
+import re, json
+import os, sys
+from datetime import timedelta
+
+def from_vtt(vtt_string):
+  VTT_TIMECODE_PATTERN = r"((?:\d{2}:)?\d{2}:\d{2}\.\d{3}) --> ((?:\d{2}:)?\d{2}:\d{2}\.\d{3})"
+  VTT_LINE_NUMBER_PATTERN = r"^\d+$"
+  parts = re.split(r'\n\n+', vtt_string.strip())
+  if parts[0].startswith('WEBVTT'):
+    parts.pop(0)
+
+  subtitles = []
+  for part in parts:
+    lines = part.split('\n')
+    match = re.match(VTT_TIMECODE_PATTERN, lines[0])
+    if not match:
+      if re.match(VTT_LINE_NUMBER_PATTERN, lines[0]):
+        lines.pop(0)
+      match = re.match(VTT_TIMECODE_PATTERN, lines[0])
+    if not match:
+      continue
+
+    start, end = match.groups()
+    content = '\n'.join(lines[1:]) + "\n"
+    subtitles.append({
+      'start': start,
+      'end': end,
+      'content': (content.replace("-\n", "\n").replace("</u>-\n", "</u>\n").replace("-", " ").replace("%", " ").replace("<u> "," <u>").replace(" </u>","</u> ").replace("<u> </u>","").replace("<u></u>","").replace(" \n", "\n"))[:-1]
+    })
+
+  return subtitles
+
+def to_vtt(subtitles):
+    vtt_content = "WEBVTT\n\n\n"
+    for idx, subtitle in enumerate(subtitles):
+        content = subtitle['content']
+        if not subtitle.get("split", False):
+          start = subtitle['start']
+          end = subtitle['end']
+          vtt_content += f"{start} --> {end}\n{content}\n\n\n"
+        else:
+          vtt_content += f"NOTE {content}\n\n\n"
+
+    return vtt_content.strip()
+
+def to_stacked_vtt(subtitles, continous = True):
+  vtt_content = "WEBVTT\n\n\n"
+  buffer = ""
+  for n, subtitle in enumerate(subtitles):
+    if subtitle.get("split", False):
+      buffer = ""
+      continue
+
+    if len(buffer) != 0:
+      if str(subtitle['content'].strip())[-1] == ".":
+        buffer += "\n"
+      else:
+        buffer += " "
+    buffer += subtitle['content'].strip()
+
+    if n < len(subtitles) - 1:
+      end_time = subtitles[n+1]['start'] if continous and not subtitles[n+1].get("split", False) else subtitle['end']
+    else:
+      end_time = subtitle['end']
+    
+    vtt_content += f"{subtitle['start']} --> {end_time}\n"
+    vtt_content += buffer
+    vtt_content += "\n\n\n"
+
+    print(f"{subtitle['start']} --> {end_time}\n{buffer}\n\n")
+
+  return vtt_content
+
+def script_from_word_vtt(wordvtt):
+  subtitles = from_vtt(wordvtt)
+  print(f"VTT {len(subtitles)} lines. Generating script file from VTT.")
+  sentences = []
+  EXCEPTION_FLAG, ADD_NEXT_SENTENCE = "", 0
+  for n, subtitle in enumerate(subtitles):
+    sentence = subtitle["content"].replace("<u>", "").replace("</u>", "")
+    if ((sentences[-1] if sentences else None) != sentence) or ADD_NEXT_SENTENCE:
+      sentences.append(sentence)
+    ADD_NEXT_SENTENCE = 0
+    if subtitle["content"][-4:] == "</u>":
+      ADD_NEXT_SENTENCE = 1
+      if n + 2 < len(subtitles):
+        if subtitles[n+2]["content"].replace("<u>", "").replace("</u>", "") != sentence:
+          ADD_NEXT_SENTENCE = 0
+  return sentences
+
+def create_word_scenes(wordvtt, scriptraw):
+  subtitles = from_vtt(wordvtt)
+  scripts   = [i for i in scriptraw.split("\n") if i]
+  print(f"VTT {len(subtitles)} lines, Script {len(scripts)} lines")
+  scenes = []
+  for n, script in enumerate(scripts):
+    if len(script.split(" ")) == 1:
+      continue
+    scenes.append({"scene": script, "timestamp": []})
+
+  scenes_cur = 0
+  for n, subtitle in enumerate(subtitles):
+    sentence = subtitle["content"].replace("<u>", "").replace("</u>", "")
+    if len(sentence.split(" ")) == 1:
+      continue
+
+    if sentence != scenes[scenes_cur].get("scene"):
+      if sentence == scenes[scenes_cur+1].get("scene"):
+        scenes_cur += 1
+      else:
+        print(f"Error, Mismatch in scenes\n=>\"[{scenes_cur}] {scenes[scenes_cur].get("scene")}\" or \"[{scenes_cur+1}] {scenes[scenes_cur+1].get("scene")}\" != \"{sentence}\"")
+        return
+
+    current_scene = scenes[scenes_cur]
+    if current_scene["timestamp"]:
+      word_idx = current_scene["timestamp"][-1]["index"] + 1
+    else:
+      word_idx = 0
+
+    if ("<u>" not in subtitle["content"]) and word_idx >= len(sentence.split(" ")):
+      pass
+    if ("<u>" in subtitle["content"]) and word_idx >= len(sentence.split(" ")):
+      print(f"Error, index wrong. {scenes_cur}, word: {word_idx}, total words: {len(sentence.split(" "))}\n{subtitle}")
+      word_idx = 0
+      scenes_cur += 1
+      current_scene = scenes[scenes_cur]
+      if current_scene["timestamp"]:
+        word_idx = current_scene["timestamp"][-1]["index"] + 1
+      else:
+        word_idx = 0
+      print(f"Changed to {word_idx}, {scenes_cur}")
+
+    if "<u>" in subtitle["content"]:
+      word = subtitle["content"].split("<u>")[1].split("</u>")[0]
+
+      if word not in sentence.split(" "):
+        print(f"Error, Mismatch\n=> \"{word}\" not in \"{sentence}\"")
+        return
+
+      try:
+        assert sentence.split(" ")[word_idx] == word
+      except:
+        print(f"Error, Mismatch\n=> \"{word}\" != [{word_idx}] of \"{sentence}\"")
+        return
+
+      word_time = {"start": subtitle["start"], "end": subtitle["end"], "index": word_idx, "word": word}
+      current_scene["timestamp"].append(word_time)
+
+  for scene in scenes:
+    if len(scene["scene"].split(" ")) != len(scene["timestamp"]):
+      print("Error, Mismatch length")
+      return
+    if "" in scene["scene"].split(" "):
+      print(repr(scene["scene"]))
+
+  full_script, full_scenes = [], []
+  for scene in scenes:
+    full_script += scene["scene"].split(" ")[:-1]
+    full_script.append(scene["scene"].split(" ")[-1]+"##")
+    full_scenes += scene["timestamp"]
+
+  for i, j in zip(full_script, full_scenes):
+    if i.replace("##", "") != j["word"]:
+      print("Error, Mismatch")
+      return
+
+  assert len(full_scenes) == len(full_script)
+
+  return full_script, full_scenes
+  
+def autobreak(lines, times):
+  from datetime import timedelta
+
+  def parsetime(time_str):
+    minutes, seconds = time_str.split(':')
+    seconds, milliseconds = seconds.split('.')
+    td = timedelta(minutes=int(minutes), seconds=int(seconds), milliseconds=int(milliseconds))
+    return td
+
+  script = []
+  long_breaks = []
+  tmark = parsetime("0:0.0")
+  for i, j in zip(lines, times):
+    tdiff = parsetime(j["start"]) - tmark
+    tmark = parsetime(j["end"])
+    if tdiff > parsetime("0:0.0"):
+      long_breaks.append(tdiff)
+
+  mean_break = parsetime("0:0.0")
+  for i in long_breaks:
+    mean_break += i/len(long_breaks)
+  print(mean_break)
+
+  script = ""
+  tmark = parsetime("0:0.0")
+  tmp = " "
+
+  continous_line = 0
+  for i, j in zip(lines, times):
+    tdiff = parsetime(j["start"]) - tmark
+    tmark = parsetime(j["end"])
+    if tdiff > mean_break and tmp[-1] != ".":
+      script += "\n"
+
+    if (tdiff >= mean_break and tmp[-1] == "."):
+        script += "\n"
+        continous_line = 0
+    else:
+      continous_line += 1
+
+    script += i.replace("##", "")
+
+    if i[-1] == ".":
+      script += "\n"
+    elif "##" in i:
+        script += "\n"
+    else:
+      script += " " 
+    tmp = i
+  
+  return script
+
+def scene_from_new_script(raw_script, full_script, full_scenes):
+  mod_script = raw_script.replace("\n", " \n ").split(" ")
+  mod_script = [i for i in mod_script if i]
+  n = 0
+  while True:
+    if mod_script[n] == "\n":
+      mod_script[n-1] += "\n"
+      del(mod_script[n])
+      n -= 1
+    n += 1
+    if n == len(mod_script):
+      break
+  
+  print(f"Original: {len(full_script)}, Modded: {len(mod_script)}")
+  allowed_list = [".", "\n", "\n\n", ",", "?", "##"]
+
+  def normalized(x):
+    for i in allowed_list:
+      x = x.replace(i, "")
+    return x.upper()
+  
+  same = lambda a, b: normalized(a) == normalized(b)
+  new_script, new_timestamp, orig_index, n = [], [], 0, 0
+  fail = 0
+  while n < len(mod_script):
+    print(f"{repr(mod_script[n]):>20} ? {repr(full_script[orig_index])}")
+    word = mod_script[n]
+    if same(word, full_script[orig_index].replace("##", "")):
+      cur = full_scenes[orig_index]
+      new_script.append(word.replace("##", ""))
+      new_timestamp.append({"start": cur["start"], "end": cur["end"]})
+      fail = 0
+    else:
+      if fail > 10:
+        print("Error: Failed to match words,")
+        return
+      fail += 1
+      n -= 1
+    n, orig_index = n+1, orig_index+1
+  assert len(new_script) == len(new_timestamp)
+  return new_script, new_timestamp
+
+def build_new_subtitle(new_script, new_timestamp):
+  buffer, new_scenes, start, end = [], [], None, None
+  current_scene = []
+ 
+  for i, j in zip(new_script, new_timestamp):
+    if "\n" in i:
+      buffer.append(i.replace("\n", ""))
+      current_scene.append({"content": " ".join(buffer).replace("##", ""), "start": start, "end": j["end"]})
+      buffer, start = [], None
+ 
+      if "\n\n" in i:
+        print(f"Section break at line #{len(current_scene):<3}| \"{current_scene[-1]["content"]}\"")
+        new_scenes.append(current_scene)
+        current_scene = []
+
+    else:
+      buffer.append(i)
+      if not start:
+        start = j["start"]
+
+  if start:
+      buffer.append(i.replace("\n", ""))
+      current_scene.append({"content": " ".join(buffer), "start": start, "end": j["end"]})
+
+  if current_scene != (new_scenes[-1] if new_scenes else None):
+    new_scenes.append(current_scene)
+
+  newsub = []
+  for n, i in enumerate(new_scenes):
+    newsub += i
+    if n < len(new_scenes) - 1:
+      newsub.append({"content": "Break", "start": None, "end": None, "split": True})
+
+  return newsub
+
+###
+
+def saveFile(filename, data, override = False):
+  if os.path.exists(filename) and not override:
+    print(f"File {filename} already exists.")
+    return -1
+  with open(filename, "w") as f:
+    f.write(data)
+
+def openFile(filename):
+  with open(filename, "r") as f:
+    data = f.read()
+  if not data:
+    return -1
+  return data
+
+###
+
+if __name__=="__main__":
+  if len(sys.argv) not in (3, 4):
+    PROG = sys.argv[0].split("/")[-1]
+    print(f"Usage: {PROG} script [VTT file] \n"               \
+ f"       {" "*len(PROG)} apply  [VTT file] [script file] \n" \
+ f"       {" "*len(PROG)} create [JSON file]"               \
+          )                              
+    sys.exit()
+
+  COMMAND = sys.argv[1]
+  if COMMAND not in ["script", "apply", "create"]:
+    print("Error. Command not found.")
+    sys.exit()
+
+  print(f"-> {PROG} {COMMAND} {FILE}")
+  if COMMAND == "script":
+    FILE = sys.argv[2]
+    if (not os.path.exists(FILE)):
+      print(f"Input file doesnt exists.")
+      sys.exit(-1)
+
+    modfile = ".".join(scriptfile.split(".")[:-1]) + ".script"
+    x = create_word_scenes(openFile(FILE), script_from_word_vtt(openFile(FILE)))
+    if not x:
+      sys.exit(-1)
+
+    full_script, full_scenes = x
+    genscript = autobreak(full_script,full_scenes)
+    saveFile(modfile, genscript)
+    print(f"Saved script file {modfile}.")
+  
+  elif COMMAND == "apply":
+    if len(sys.argv) != 4:
+      print(f"Not sufficient input.")
+      sys.exit()
+
+    FILE1, FILE2 = sys.argv[2], sys.argv[3]
+    if (not os.path.exists(FILE1)) or (not os.path.exists(FILE2)):
+      print(f"Input file doesnt exists.")
+      sys.exit(-1)
+
+    x = create_word_scenes(openFile(FILE1), script_from_word_vtt(openFile(FILE)))
+    if not x:
+      sys.exit(-1)
+    full_script, full_scenes = x
+
+    x = scene_from_new_script(openFile(FILE2), full_script, full_scenes)
+    if not x:
+      sys.exit(-1)
+    a, b = x
+
+    final_sub = build_new_subtitle(a, b)
+    jsonfile = ".".join(FILE1.split(".")[:-1]) + ".json"
+    saveFile(jsonfile, json.dumps(final_sub, indent=2), True)
+    print(f"Saved JSON file {jsonfile}.")
+    sys.exit(0)
+  
+  elif COMMAND == "create":
+    FILE = sys.argv[2]
+    if (not os.path.exists(FILE)):
+      print(f"Input file doesnt exists.")
+      sys.exit(-1)
+
+    final_vtt = json.loads(openFile(FILE))
+    orgf = ".".join(FILE.split(".")[:-1])
+    print(f"Saved VTT file as {orgf}.final.vtt.")
+
+    if os.path.exists(orgf + ".vtt"):
+      saveFile(orgf + ".stacked.vtt", to_stacked_vtt(final_vtt), True)
+    else:
+      saveFile(orgf + ".vtt", to_stacked_vtt(final_vtt), True)
+    sys.exit(0)
\ No newline at end of file
diff --git a/wordvtt.py b/wordvtt.py
index 69e1d2b..c3b2a36 100644
--- a/wordvtt.py
+++ b/wordvtt.py
@@ -23,13 +23,52 @@ def from_vtt(vtt_string):
       continue
 
     start, end = match.groups()
-    content = '\n'.join(lines[1:])
+    content = '\n'.join(lines[1:]) + "\n"
     subtitles.append({
       'start': start,
       'end': end,
-      'content': content
+      'content': (content.replace("-\n", "\n").replace("</u>-\n", "</u>\n").replace("-", " ").replace("%", " ").replace("<u> "," <u>").replace(" </u>","</u> ").replace("<u> </u>","").replace("<u></u>","").replace(" \n", "\n"))[:-1]
     })
+  # def sanitizevttwordlevel(subtitles):
+  #   errorwords = []
+  #   newords = {}
+  #   for subtitle in subtitles:
+  #     for word in subtitle["content"].split(" "):
+  #       if ("<u>" in word):
+  #         newword = None
+  #         if (len(word.split("<u>")) > 1):
+  #           newword = word.replace("<u>", " <u>")
+  #         if (len(word.split("</u>")) > 1):
+  #           newword = word.replace("</u>", "</u> ")
+  #         if newword:
+  #           original = word.split("<u>")[1].split("</u>")[0]
+  #           if original in errorwords:
+  #             for i in errorwords[original]:
 
+
+  #           else:
+  #             errorwords[orig].append(word)
+
+    #   error = False
+    #   if "<u>" in subtitle["content"]:
+    #     if len(subtitle["content"].split("<u>")) > 1:
+    #       if subtitle["content"].split("<u>")[0][-1] != " ":
+    #         error = True
+    #     if len(subtitle["content"].split("</u>")) > 1:
+    #       if subtitle["content"].split("</u>")[1][0] != " ":
+    #         error = True
+    #   if error:
+    #     word = subtitle["content"].split("<u>")[1].split("</u>")[0]
+    #     errorwords.append(word)
+    #     for word in subtitle["content"].split(" "):
+    #       if word.replace("<u>")
+
+  #   for subtitle in subtitles:
+  #     for words in subtitle["content"].split(" "):
+  #       if word in errorwords:
+  #         subtitle["content"]
+
+  # sanitizevttwordlevel(subtitles)
   return subtitles
 
 def to_vtt(subtitles):
@@ -67,11 +106,18 @@ def script_from_word_vtt(wordvtt):
   subtitles = from_vtt(wordvtt)
   print(f"VTT {len(subtitles)} lines. Generating script file from VTT.")
   sentences = []
+  EXCEPTION_FLAG, ADD_NEXT_SENTENCE = "", 0
   for n, subtitle in enumerate(subtitles):
     sentence = subtitle["content"].replace("<u>", "").replace("</u>", "")
-    if (sentences[-1] if sentences else None) != sentence:
+    if ((sentences[-1] if sentences else None) != sentence) or ADD_NEXT_SENTENCE:
       sentences.append(sentence)
-  # print(sentences)
+    ADD_NEXT_SENTENCE = 0
+    if subtitle["content"][-4:] == "</u>":
+      # print(f"{len(sentences)} END {subtitle["content"]}")
+      ADD_NEXT_SENTENCE = 1
+      if n + 2 < len(subtitles):
+        if subtitles[n+2]["content"].replace("<u>", "").replace("</u>", "") != sentence:
+          ADD_NEXT_SENTENCE = 0
   return sentences
 
 def create_word_scenes(wordvtt, scriptraw):
@@ -94,7 +140,7 @@ def create_word_scenes(wordvtt, scriptraw):
       if sentence == scenes[scenes_cur+1].get("scene"):
         scenes_cur += 1
       else:
-        print(f"Error, Mismatch\n=> scenes[{scenes_cur}] != \"{sentence}\"")
+        print(f"Error, Mismatch in scenes\n=>\"[{scenes_cur}] {scenes[scenes_cur].get("scene")}\" or \"[{scenes_cur+1}] {scenes[scenes_cur+1].get("scene")}\" != \"{sentence}\"")
         return
 
     current_scene = scenes[scenes_cur]
@@ -103,9 +149,25 @@ def create_word_scenes(wordvtt, scriptraw):
     else:
       word_idx = 0
 
+    # print(scenes_cur, subtitle, word_idx, sentence)
+    if ("<u>" not in subtitle["content"]) and word_idx >= len(sentence.split(" ")):
+      pass
+    if ("<u>" in subtitle["content"]) and word_idx >= len(sentence.split(" ")):
+      print(f"Error, index wrong. {scenes_cur}, word: {word_idx}, total words: {len(sentence.split(" "))}\n{subtitle}")
+      word_idx = 0
+      scenes_cur += 1
+      current_scene = scenes[scenes_cur]
+      if current_scene["timestamp"]:
+        word_idx = current_scene["timestamp"][-1]["index"] + 1
+      else:
+        word_idx = 0
+      print(f"Changed to {word_idx}, {scenes_cur}")
+
     if "<u>" in subtitle["content"]:
+      # print(subtitle["content"])
       word = subtitle["content"].split("<u>")[1].split("</u>")[0]
-      if word not in sentence:
+
+      if word not in sentence.split(" "):
         print(f"Error, Mismatch\n=> \"{word}\" not in \"{sentence}\"")
         return
 
@@ -124,21 +186,81 @@ def create_word_scenes(wordvtt, scriptraw):
     if len(scene["scene"].split(" ")) != len(scene["timestamp"]):
       print("Error, Mismatch length")
       return
+    if "" in scene["scene"].split(" "):
+      print(repr(scene["scene"]))
 
   full_script, full_scenes = [], []
   for scene in scenes:
-    full_script += scene["scene"].split(" ")
+    full_script += scene["scene"].split(" ")[:-1]
+    full_script.append(scene["scene"].split(" ")[-1]+"##")
     full_scenes += scene["timestamp"]
 
   for i, j in zip(full_script, full_scenes):
-    if i != j["word"]:
+    if i.replace("##", "") != j["word"]:
       print("Error, Mismatch")
       return
 
+
   assert len(full_scenes) == len(full_script)
 
   return full_script, full_scenes
   
+# Detect long break or change in context, inserts section break into script.
+def autobreak(lines, times):
+  from datetime import timedelta
+
+  def parsetime(time_str):
+    minutes, seconds = time_str.split(':')
+    seconds, milliseconds = seconds.split('.')
+    td = timedelta(minutes=int(minutes), seconds=int(seconds), milliseconds=int(milliseconds))
+    return td
+
+  script = []
+  long_breaks = []
+  tmark = parsetime("0:0.0")
+  for i, j in zip(lines, times):
+    tdiff = parsetime(j["start"]) - tmark
+    tmark = parsetime(j["end"])
+    if tdiff > parsetime("0:0.0"):
+      long_breaks.append(tdiff)
+      # print()
+    # print(i, end=" ")
+  # print()
+
+  mean_break = parsetime("0:0.0")
+  for i in long_breaks:
+    mean_break += i/len(long_breaks)
+  print(mean_break)
+
+  script = ""
+  tmark = parsetime("0:0.0")
+  tmp = " "
+
+  continous_line = 0
+  for i, j in zip(lines, times):
+    tdiff = parsetime(j["start"]) - tmark
+    tmark = parsetime(j["end"])
+    if tdiff > mean_break and tmp[-1] != ".":
+      script += "\n"
+
+    if (tdiff >= mean_break and tmp[-1] == "."):
+        script += "\n"
+        continous_line = 0
+    else:
+      continous_line += 1
+
+    script += i.replace("##", "")
+
+    if i[-1] == ".":
+      script += "\n"
+    elif "##" in i:
+        script += "\n"
+    else:
+      script += " " 
+    tmp = i
+  
+  return script
+
 def scene_from_new_script(raw_script, full_script, full_scenes):
   mod_script = raw_script.replace("\n", " \n ").split(" ")
   mod_script = [i for i in mod_script if i]
@@ -153,7 +275,7 @@ def scene_from_new_script(raw_script, full_script, full_scenes):
       break
   # print(mod_script)
   print(f"Original: {len(full_script)}, Modded: {len(mod_script)}")
-  allowed_list = [".", "\n", "\n\n", ","]
+  allowed_list = [".", "\n", "\n\n", ",", "?", "##"]
 
   def normalized(x):
     for i in allowed_list:
@@ -162,18 +284,23 @@ def scene_from_new_script(raw_script, full_script, full_scenes):
   
   same = lambda a, b: normalized(a) == normalized(b)
   new_script, new_timestamp, orig_index, n = [], [], 0, 0
+  fail = 0
   while n < len(mod_script):
-    # print(f"{repr(mod_script[n]):>20} ? {repr(full_script[orig_index])}")
+    print(f"{repr(mod_script[n]):>20} ? {repr(full_script[orig_index])}")
     word = mod_script[n]
-    if same(word, full_script[orig_index]):
+    if same(word, full_script[orig_index].replace("##", "")):
       cur = full_scenes[orig_index]
-      new_script.append(word)
+      new_script.append(word.replace("##", ""))
       new_timestamp.append({"start": cur["start"], "end": cur["end"]})
+      fail = 0
     else:
+      if fail > 10:
+        print("Error: Failed to match words,")
+        return
       # print("Back")
+      fail += 1
       n -= 1
     n, orig_index = n+1, orig_index+1
-
   assert len(new_script) == len(new_timestamp)
   return new_script, new_timestamp
 
@@ -185,7 +312,7 @@ def build_new_subtitle(new_script, new_timestamp):
   for i, j in zip(new_script, new_timestamp):
     if "\n" in i:
       buffer.append(i.replace("\n", ""))
-      current_scene.append({"content": " ".join(buffer), "start": start, "end": j["end"]})
+      current_scene.append({"content": " ".join(buffer).replace("##", ""), "start": start, "end": j["end"]})
       buffer, start = [], None
       if "\n\n" in i:
         print(f"Section break at line #{len(current_scene):<3}| \"{current_scene[-1]["content"]}\"")
@@ -228,12 +355,21 @@ def openFile(filename):
 
 def main(vttfile, scriptfile):
   modfile = ".".join(scriptfile.split(".")[:-1]) + ".script"
-  full_script, full_scenes = create_word_scenes(openFile(vttfile), openFile(scriptfile))
+  x = create_word_scenes(openFile(vttfile), openFile(scriptfile))
+  if not x:
+    sys.exit(-1)
+  full_script, full_scenes = x
+
   if not os.path.exists(modfile):
-    saveFile(modfile, " ".join(full_script).replace(". ", ".\n"))
+    genscript = autobreak(full_script,full_scenes)
+    saveFile(modfile, genscript)
     print(f"Saved modification file as {modfile}. Modify it and return back.")
   else:
-    a, b = scene_from_new_script(openFile(modfile), full_script, full_scenes)
+    x = scene_from_new_script(openFile(modfile), full_script, full_scenes)
+    if not x:
+      sys.exit(-1)
+    a, b = x
+
     final_vtt = build_new_subtitle(a, b)
     jsonfile = ".".join(vttfile.split(".")[:-1]) + ".json"
     saveFile(jsonfile, json.dumps(final_vtt, indent=2), True)
@@ -243,17 +379,19 @@ if __name__=="__main__":
   import sys
   if len(sys.argv) not in (2, 3):
     print(f"Usage: {sys.argv[0].split("/")[-1]} [vtt file] (txt file)\n"                                  \
-      "       {sys.argv[0].split("/")[-1]} [JSON file]\n"                                                 \
+     f"       {sys.argv[0].split("/")[-1]} [JSON file]\n"                                                 \
       "** Only output from openai-whisper with '--word-timestamp true' is accepted.)\n"                   \
       "** You have to run this for first time, and then fix .script file, and then re-run this script.\n" \
       "** Adding newline/period/commas are onlt permitted. Fix else in JSON file.")
     sys.exit()
+
   vtt = sys.argv[1]
+  print(f"\n[{vtt}]")
   if len(sys.argv) == 3:
     script = sys.argv[2]
     if (not os.path.exists(vtt)) or (not os.path.exists(script)):
       print(f"Input file doesnt exists.")
-      sys.exit()
+      sys.exit(-1)
     main(vtt, script)
   else:
     if ".json" in vtt:
@@ -262,10 +400,10 @@ if __name__=="__main__":
       print(f"Saved VTT file as {orgf}.final.vtt.")
       saveFile(orgf + ".final.vtt", to_vtt(final_vtt), True)
       saveFile(orgf + ".stacked.vtt", to_stacked_vtt(final_vtt), True)
-      sys.exit()
+      sys.exit(0)
     if (not os.path.exists(vtt)):
       print(f"Input file doesnt exists.")
-      sys.exit()
+      sys.exit(-1)
     script = ".".join(vtt.split(".")[:-1]) + ".txt"
     saveFile(script, "\n".join(script_from_word_vtt(openFile(vtt))))
     main(vtt, script)
\ No newline at end of file